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Finding the Fourth Proportional to 7,473.47, 11,209.46 and 2,542.46

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Solution

The fourth proportional to 7,473.47, 11,209.46 and 2,542.46 is: 3,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.47 : 11,209.46 = 2,542.46 : x
  2. Step 2: Convert to fraction form
    7,473.47/11,209.46 = 2,542.46/x
  3. Step 3: Cross multiply
    7,473.47x = 11,209.46 × 2,542.46
  4. Step 4: Simplify right side
    7,473.47x = 28,499,534.91
  5. Step 5: Solve for x
    x = 28,499,534.91/7,473.47
  6. Step 6: Final answer
    x = 3,813.43

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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.