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Finding the Fourth Proportional to 71,484.60, 107,226.87 and 29,357.49

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Solution

The fourth proportional to 71,484.60, 107,226.87 and 29,357.49 is: 44,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,484.60 : 107,226.87 = 29,357.49 : x
  2. Step 2: Convert to fraction form
    71,484.60/107,226.87 = 29,357.49/x
  3. Step 3: Cross multiply
    71,484.60x = 107,226.87 × 29,357.49
  4. Step 4: Simplify right side
    71,484.60x = 3,147,911,763.76
  5. Step 5: Solve for x
    x = 3,147,911,763.76/71,484.60
  6. Step 6: Final answer
    x = 44,036.22

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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.