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Finding the Fourth Proportional to 17,745.54, 24,510.65 and 13,289.19

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Solution

The fourth proportional to 17,745.54, 24,510.65 and 13,289.19 is: 18,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.54 : 24,510.65 = 13,289.19 : x
  2. Step 2: Convert to fraction form
    17,745.54/24,510.65 = 13,289.19/x
  3. Step 3: Cross multiply
    17,745.54x = 24,510.65 × 13,289.19
  4. Step 4: Simplify right side
    17,745.54x = 325,726,618.43
  5. Step 5: Solve for x
    x = 325,726,618.43/17,745.54
  6. Step 6: Final answer
    x = 18,355.41

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Half scale
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Double scale
Find fourth proportional to 17,746.54, 24,512.03 and 13,290.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.