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Finding the Fourth Proportional to 70,616.00, 97,452.42 and 38,787.86

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Solution

The fourth proportional to 70,616.00, 97,452.42 and 38,787.86 is: 53,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,616.00 : 97,452.42 = 38,787.86 : x
  2. Step 2: Convert to fraction form
    70,616.00/97,452.42 = 38,787.86/x
  3. Step 3: Cross multiply
    70,616.00x = 97,452.42 × 38,787.86
  4. Step 4: Simplify right side
    70,616.00x = 3,779,970,921.80
  5. Step 5: Solve for x
    x = 3,779,970,921.80/70,616.00
  6. Step 6: Final answer
    x = 53,528.53

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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.