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Finding the Fourth Proportional to 8,932.30, 13,395.03 and 4,248.70

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Solution

The fourth proportional to 8,932.30, 13,395.03 and 4,248.70 is: 6,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.30 : 13,395.03 = 4,248.70 : x
  2. Step 2: Convert to fraction form
    8,932.30/13,395.03 = 4,248.70/x
  3. Step 3: Cross multiply
    8,932.30x = 13,395.03 × 4,248.70
  4. Step 4: Simplify right side
    8,932.30x = 56,911,463.96
  5. Step 5: Solve for x
    x = 56,911,463.96/8,932.30
  6. Step 6: Final answer
    x = 6,371.42

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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.