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Finding the Fourth Proportional to 10,691.60, 16,044.60 and 6,304.40

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Solution

The fourth proportional to 10,691.60, 16,044.60 and 6,304.40 is: 9,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.60 : 16,044.60 = 6,304.40 : x
  2. Step 2: Convert to fraction form
    10,691.60/16,044.60 = 6,304.40/x
  3. Step 3: Cross multiply
    10,691.60x = 16,044.60 × 6,304.40
  4. Step 4: Simplify right side
    10,691.60x = 101,151,576.24
  5. Step 5: Solve for x
    x = 101,151,576.24/10,691.60
  6. Step 6: Final answer
    x = 9,460.85

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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.