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Finding the Fourth Proportional to 6,687.52, 10,077.27 and 5,543.22

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Solution

The fourth proportional to 6,687.52, 10,077.27 and 5,543.22 is: 8,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.52 : 10,077.27 = 5,543.22 : x
  2. Step 2: Convert to fraction form
    6,687.52/10,077.27 = 5,543.22/x
  3. Step 3: Cross multiply
    6,687.52x = 10,077.27 × 5,543.22
  4. Step 4: Simplify right side
    6,687.52x = 55,860,541.61
  5. Step 5: Solve for x
    x = 55,860,541.61/6,687.52
  6. Step 6: Final answer
    x = 8,352.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.