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Finding the Fourth Proportional to 13,804.40, 19,050.07 and 7,754.65

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Solution

The fourth proportional to 13,804.40, 19,050.07 and 7,754.65 is: 10,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.40 : 19,050.07 = 7,754.65 : x
  2. Step 2: Convert to fraction form
    13,804.40/19,050.07 = 7,754.65/x
  3. Step 3: Cross multiply
    13,804.40x = 19,050.07 × 7,754.65
  4. Step 4: Simplify right side
    13,804.40x = 147,726,625.33
  5. Step 5: Solve for x
    x = 147,726,625.33/13,804.40
  6. Step 6: Final answer
    x = 10,701.42

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.