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Finding the Fourth Proportional to 69,105.86, 95,362.14 and 38,892.44

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Solution

The fourth proportional to 69,105.86, 95,362.14 and 38,892.44 is: 53,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,105.86 : 95,362.14 = 38,892.44 : x
  2. Step 2: Convert to fraction form
    69,105.86/95,362.14 = 38,892.44/x
  3. Step 3: Cross multiply
    69,105.86x = 95,362.14 × 38,892.44
  4. Step 4: Simplify right side
    69,105.86x = 3,708,866,308.22
  5. Step 5: Solve for x
    x = 3,708,866,308.22/69,105.86
  6. Step 6: Final answer
    x = 53,669.35

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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.