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Finding the Fourth Proportional to 71,472.68, 98,630.80 and 44,241.53

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Solution

The fourth proportional to 71,472.68, 98,630.80 and 44,241.53 is: 61,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,472.68 : 98,630.80 = 44,241.53 : x
  2. Step 2: Convert to fraction form
    71,472.68/98,630.80 = 44,241.53/x
  3. Step 3: Cross multiply
    71,472.68x = 98,630.80 × 44,241.53
  4. Step 4: Simplify right side
    71,472.68x = 4,363,576,893.37
  5. Step 5: Solve for x
    x = 4,363,576,893.37/71,472.68
  6. Step 6: Final answer
    x = 61,052.38

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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.