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Finding the Fourth Proportional to 63,443.10, 87,545.07 and 37,944.40

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Solution

The fourth proportional to 63,443.10, 87,545.07 and 37,944.40 is: 52,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,443.10 : 87,545.07 = 37,944.40 : x
  2. Step 2: Convert to fraction form
    63,443.10/87,545.07 = 37,944.40/x
  3. Step 3: Cross multiply
    63,443.10x = 87,545.07 × 37,944.40
  4. Step 4: Simplify right side
    63,443.10x = 3,321,845,154.11
  5. Step 5: Solve for x
    x = 3,321,845,154.11/63,443.10
  6. Step 6: Final answer
    x = 52,359.44

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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.