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Finding the Fourth Proportional to 17,151.54, 25,729.02 and 5,304.78

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Solution

The fourth proportional to 17,151.54, 25,729.02 and 5,304.78 is: 7,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.54 : 25,729.02 = 5,304.78 : x
  2. Step 2: Convert to fraction form
    17,151.54/25,729.02 = 5,304.78/x
  3. Step 3: Cross multiply
    17,151.54x = 25,729.02 × 5,304.78
  4. Step 4: Simplify right side
    17,151.54x = 136,486,790.72
  5. Step 5: Solve for x
    x = 136,486,790.72/17,151.54
  6. Step 6: Final answer
    x = 7,957.70

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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.