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Finding the Fourth Proportional to 71,475.68, 107,213.80 and 29,893.52

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Solution

The fourth proportional to 71,475.68, 107,213.80 and 29,893.52 is: 44,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,475.68 : 107,213.80 = 29,893.52 : x
  2. Step 2: Convert to fraction form
    71,475.68/107,213.80 = 29,893.52/x
  3. Step 3: Cross multiply
    71,475.68x = 107,213.80 × 29,893.52
  4. Step 4: Simplify right side
    71,475.68x = 3,204,997,874.58
  5. Step 5: Solve for x
    x = 3,204,997,874.58/71,475.68
  6. Step 6: Final answer
    x = 44,840.40

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1.5x scale

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.