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Finding the Fourth Proportional to 8,253.48, 12,372 and 4,354.14

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Solution

The fourth proportional to 8,253.48, 12,372 and 4,354.14 is: 6,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.48 : 12,372 = 4,354.14 : x
  2. Step 2: Convert to fraction form
    8,253.48/12,372 = 4,354.14/x
  3. Step 3: Cross multiply
    8,253.48x = 12,372 × 4,354.14
  4. Step 4: Simplify right side
    8,253.48x = 53,869,420.08
  5. Step 5: Solve for x
    x = 53,869,420.08/8,253.48
  6. Step 6: Final answer
    x = 6,526.87

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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.