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Finding the Fourth Proportional to 17,173.18, 25,759.28 and 5,487.10

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Solution

The fourth proportional to 17,173.18, 25,759.28 and 5,487.10 is: 8,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.18 : 25,759.28 = 5,487.10 : x
  2. Step 2: Convert to fraction form
    17,173.18/25,759.28 = 5,487.10/x
  3. Step 3: Cross multiply
    17,173.18x = 25,759.28 × 5,487.10
  4. Step 4: Simplify right side
    17,173.18x = 141,343,745.29
  5. Step 5: Solve for x
    x = 141,343,745.29/17,173.18
  6. Step 6: Final answer
    x = 8,230.49

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.