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Finding the Fourth Proportional to 67,565.56, 93,230.95 and 38,874.32

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Solution

The fourth proportional to 67,565.56, 93,230.95 and 38,874.32 is: 53,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,565.56 : 93,230.95 = 38,874.32 : x
  2. Step 2: Convert to fraction form
    67,565.56/93,230.95 = 38,874.32/x
  3. Step 3: Cross multiply
    67,565.56x = 93,230.95 × 38,874.32
  4. Step 4: Simplify right side
    67,565.56x = 3,624,289,784.20
  5. Step 5: Solve for x
    x = 3,624,289,784.20/67,565.56
  6. Step 6: Final answer
    x = 53,641.08

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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.