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Finding the Fourth Proportional to 7,494.35, 11,248.46 and 7,042.27

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Solution

The fourth proportional to 7,494.35, 11,248.46 and 7,042.27 is: 10,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.35 : 11,248.46 = 7,042.27 : x
  2. Step 2: Convert to fraction form
    7,494.35/11,248.46 = 7,042.27/x
  3. Step 3: Cross multiply
    7,494.35x = 11,248.46 × 7,042.27
  4. Step 4: Simplify right side
    7,494.35x = 79,214,600.95
  5. Step 5: Solve for x
    x = 79,214,600.95/7,494.35
  6. Step 6: Final answer
    x = 10,569.91

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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.