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Finding the Fourth Proportional to 69,753.86, 96,254.15 and 38,709.89

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Solution

The fourth proportional to 69,753.86, 96,254.15 and 38,709.89 is: 53,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,753.86 : 96,254.15 = 38,709.89 : x
  2. Step 2: Convert to fraction form
    69,753.86/96,254.15 = 38,709.89/x
  3. Step 3: Cross multiply
    69,753.86x = 96,254.15 × 38,709.89
  4. Step 4: Simplify right side
    69,753.86x = 3,725,987,558.54
  5. Step 5: Solve for x
    x = 3,725,987,558.54/69,753.86
  6. Step 6: Final answer
    x = 53,416.22

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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.