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Finding the Fourth Proportional to 71,885.70, 107,841.51 and 24,498.18

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Solution

The fourth proportional to 71,885.70, 107,841.51 and 24,498.18 is: 36,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,885.70 : 107,841.51 = 24,498.18 : x
  2. Step 2: Convert to fraction form
    71,885.70/107,841.51 = 24,498.18/x
  3. Step 3: Cross multiply
    71,885.70x = 107,841.51 × 24,498.18
  4. Step 4: Simplify right side
    71,885.70x = 2,641,920,723.45
  5. Step 5: Solve for x
    x = 2,641,920,723.45/71,885.70
  6. Step 6: Final answer
    x = 36,751.69

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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.