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Finding the Fourth Proportional to 70,007.91, 96,610.92 and 38,177.03

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Solution

The fourth proportional to 70,007.91, 96,610.92 and 38,177.03 is: 52,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.91 : 96,610.92 = 38,177.03 : x
  2. Step 2: Convert to fraction form
    70,007.91/96,610.92 = 38,177.03/x
  3. Step 3: Cross multiply
    70,007.91x = 96,610.92 × 38,177.03
  4. Step 4: Simplify right side
    70,007.91x = 3,688,318,089.53
  5. Step 5: Solve for x
    x = 3,688,318,089.53/70,007.91
  6. Step 6: Final answer
    x = 52,684.31

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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.