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Finding the Fourth Proportional to 6,531.91, 8,997.45 and 6,079.30

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Solution

The fourth proportional to 6,531.91, 8,997.45 and 6,079.30 is: 8,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.91 : 8,997.45 = 6,079.30 : x
  2. Step 2: Convert to fraction form
    6,531.91/8,997.45 = 6,079.30/x
  3. Step 3: Cross multiply
    6,531.91x = 8,997.45 × 6,079.30
  4. Step 4: Simplify right side
    6,531.91x = 54,698,203.10
  5. Step 5: Solve for x
    x = 54,698,203.10/6,531.91
  6. Step 6: Final answer
    x = 8,374.00

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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.