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Finding the Fourth Proportional to 5,124.52, 7,685.02 and 1,836.73

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Solution

The fourth proportional to 5,124.52, 7,685.02 and 1,836.73 is: 2,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.52 : 7,685.02 = 1,836.73 : x
  2. Step 2: Convert to fraction form
    5,124.52/7,685.02 = 1,836.73/x
  3. Step 3: Cross multiply
    5,124.52x = 7,685.02 × 1,836.73
  4. Step 4: Simplify right side
    5,124.52x = 14,115,306.78
  5. Step 5: Solve for x
    x = 14,115,306.78/5,124.52
  6. Step 6: Final answer
    x = 2,754.46

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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.