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Finding the Fourth Proportional to 71,364.16, 107,046.24 and 29,788.48

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Solution

The fourth proportional to 71,364.16, 107,046.24 and 29,788.48 is: 44,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.16 : 107,046.24 = 29,788.48 : x
  2. Step 2: Convert to fraction form
    71,364.16/107,046.24 = 29,788.48/x
  3. Step 3: Cross multiply
    71,364.16x = 107,046.24 × 29,788.48
  4. Step 4: Simplify right side
    71,364.16x = 3,188,744,779.32
  5. Step 5: Solve for x
    x = 3,188,744,779.32/71,364.16
  6. Step 6: Final answer
    x = 44,682.72

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Similar ratio
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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.