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Finding the Fourth Proportional to 9,404.57, 12,972.10 and 6,042.08

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Solution

The fourth proportional to 9,404.57, 12,972.10 and 6,042.08 is: 8,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.57 : 12,972.10 = 6,042.08 : x
  2. Step 2: Convert to fraction form
    9,404.57/12,972.10 = 6,042.08/x
  3. Step 3: Cross multiply
    9,404.57x = 12,972.10 × 6,042.08
  4. Step 4: Simplify right side
    9,404.57x = 78,378,465.97
  5. Step 5: Solve for x
    x = 78,378,465.97/9,404.57
  6. Step 6: Final answer
    x = 8,334.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.