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Finding the Fourth Proportional to 7,298.52, 10,938.24 and 6,371.72

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Solution

The fourth proportional to 7,298.52, 10,938.24 and 6,371.72 is: 9,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.52 : 10,938.24 = 6,371.72 : x
  2. Step 2: Convert to fraction form
    7,298.52/10,938.24 = 6,371.72/x
  3. Step 3: Cross multiply
    7,298.52x = 10,938.24 × 6,371.72
  4. Step 4: Simplify right side
    7,298.52x = 69,695,402.57
  5. Step 5: Solve for x
    x = 69,695,402.57/7,298.52
  6. Step 6: Final answer
    x = 9,549.25

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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.