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Finding the Fourth Proportional to 5,751.59, 8,622.68 and 2,979.06

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Solution

The fourth proportional to 5,751.59, 8,622.68 and 2,979.06 is: 4,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.59 : 8,622.68 = 2,979.06 : x
  2. Step 2: Convert to fraction form
    5,751.59/8,622.68 = 2,979.06/x
  3. Step 3: Cross multiply
    5,751.59x = 8,622.68 × 2,979.06
  4. Step 4: Simplify right side
    5,751.59x = 25,687,466.19
  5. Step 5: Solve for x
    x = 25,687,466.19/5,751.59
  6. Step 6: Final answer
    x = 4,466.15

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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.