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Finding the Fourth Proportional to 65,372.80, 97,929.60 and 35,737.60

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Solution

The fourth proportional to 65,372.80, 97,929.60 and 35,737.60 is: 53,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,372.80 : 97,929.60 = 35,737.60 : x
  2. Step 2: Convert to fraction form
    65,372.80/97,929.60 = 35,737.60/x
  3. Step 3: Cross multiply
    65,372.80x = 97,929.60 × 35,737.60
  4. Step 4: Simplify right side
    65,372.80x = 3,499,768,872.96
  5. Step 5: Solve for x
    x = 3,499,768,872.96/65,372.80
  6. Step 6: Final answer
    x = 53,535.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.