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Finding the Fourth Proportional to 10,251.84, 15,362.88 and 5,567.88

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Solution

The fourth proportional to 10,251.84, 15,362.88 and 5,567.88 is: 8,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.84 : 15,362.88 = 5,567.88 : x
  2. Step 2: Convert to fraction form
    10,251.84/15,362.88 = 5,567.88/x
  3. Step 3: Cross multiply
    10,251.84x = 15,362.88 × 5,567.88
  4. Step 4: Simplify right side
    10,251.84x = 85,538,672.29
  5. Step 5: Solve for x
    x = 85,538,672.29/10,251.84
  6. Step 6: Final answer
    x = 8,343.74

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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.