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Finding the Fourth Proportional to 4,493.59, 6,740.40 and 1,862.59

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Solution

The fourth proportional to 4,493.59, 6,740.40 and 1,862.59 is: 2,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.59 : 6,740.40 = 1,862.59 : x
  2. Step 2: Convert to fraction form
    4,493.59/6,740.40 = 1,862.59/x
  3. Step 3: Cross multiply
    4,493.59x = 6,740.40 × 1,862.59
  4. Step 4: Simplify right side
    4,493.59x = 12,554,601.64
  5. Step 5: Solve for x
    x = 12,554,601.64/4,493.59
  6. Step 6: Final answer
    x = 2,793.89

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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.