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Finding the Fourth Proportional to 4,679.76, 6,458.10 and 2,583.90

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Solution

The fourth proportional to 4,679.76, 6,458.10 and 2,583.90 is: 3,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.76 : 6,458.10 = 2,583.90 : x
  2. Step 2: Convert to fraction form
    4,679.76/6,458.10 = 2,583.90/x
  3. Step 3: Cross multiply
    4,679.76x = 6,458.10 × 2,583.90
  4. Step 4: Simplify right side
    4,679.76x = 16,687,084.59
  5. Step 5: Solve for x
    x = 16,687,084.59/4,679.76
  6. Step 6: Final answer
    x = 3,565.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.