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Finding the Fourth Proportional to 24,511.68, 36,748.08 and 8,920.80

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Solution

The fourth proportional to 24,511.68, 36,748.08 and 8,920.80 is: 13,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,511.68 : 36,748.08 = 8,920.80 : x
  2. Step 2: Convert to fraction form
    24,511.68/36,748.08 = 8,920.80/x
  3. Step 3: Cross multiply
    24,511.68x = 36,748.08 × 8,920.80
  4. Step 4: Simplify right side
    24,511.68x = 327,822,272.06
  5. Step 5: Solve for x
    x = 327,822,272.06/24,511.68
  6. Step 6: Final answer
    x = 13,374.12

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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.