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Finding the Fourth Proportional to 34,151.60, 51,227.40 and 10,780.40

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Solution

The fourth proportional to 34,151.60, 51,227.40 and 10,780.40 is: 16,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151.60 : 51,227.40 = 10,780.40 : x
  2. Step 2: Convert to fraction form
    34,151.60/51,227.40 = 10,780.40/x
  3. Step 3: Cross multiply
    34,151.60x = 51,227.40 × 10,780.40
  4. Step 4: Simplify right side
    34,151.60x = 552,251,862.96
  5. Step 5: Solve for x
    x = 552,251,862.96/34,151.60
  6. Step 6: Final answer
    x = 16,170.60

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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.