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Finding the Fourth Proportional to 5,818.54, 8,724.90 and 2,898.46

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Solution

The fourth proportional to 5,818.54, 8,724.90 and 2,898.46 is: 4,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.54 : 8,724.90 = 2,898.46 : x
  2. Step 2: Convert to fraction form
    5,818.54/8,724.90 = 2,898.46/x
  3. Step 3: Cross multiply
    5,818.54x = 8,724.90 × 2,898.46
  4. Step 4: Simplify right side
    5,818.54x = 25,288,773.65
  5. Step 5: Solve for x
    x = 25,288,773.65/5,818.54
  6. Step 6: Final answer
    x = 4,346.24

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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.