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Finding the Fourth Proportional to 15,063.12, 22,587.96 and 7,167.96

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Solution

The fourth proportional to 15,063.12, 22,587.96 and 7,167.96 is: 10,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.12 : 22,587.96 = 7,167.96 : x
  2. Step 2: Convert to fraction form
    15,063.12/22,587.96 = 7,167.96/x
  3. Step 3: Cross multiply
    15,063.12x = 22,587.96 × 7,167.96
  4. Step 4: Simplify right side
    15,063.12x = 161,909,593.76
  5. Step 5: Solve for x
    x = 161,909,593.76/15,063.12
  6. Step 6: Final answer
    x = 10,748.74

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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.