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Finding the Fourth Proportional to 8,301.17, 12,420.99 and 6,652.71

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Solution

The fourth proportional to 8,301.17, 12,420.99 and 6,652.71 is: 9,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.17 : 12,420.99 = 6,652.71 : x
  2. Step 2: Convert to fraction form
    8,301.17/12,420.99 = 6,652.71/x
  3. Step 3: Cross multiply
    8,301.17x = 12,420.99 × 6,652.71
  4. Step 4: Simplify right side
    8,301.17x = 82,633,244.38
  5. Step 5: Solve for x
    x = 82,633,244.38/8,301.17
  6. Step 6: Final answer
    x = 9,954.42

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1.5x scale

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.