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Finding the Fourth Proportional to 6,579.74, 9,871.15 and 4,500.72

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Solution

The fourth proportional to 6,579.74, 9,871.15 and 4,500.72 is: 6,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.74 : 9,871.15 = 4,500.72 : x
  2. Step 2: Convert to fraction form
    6,579.74/9,871.15 = 4,500.72/x
  3. Step 3: Cross multiply
    6,579.74x = 9,871.15 × 4,500.72
  4. Step 4: Simplify right side
    6,579.74x = 44,427,282.23
  5. Step 5: Solve for x
    x = 44,427,282.23/6,579.74
  6. Step 6: Final answer
    x = 6,752.13

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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.