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Finding the Fourth Proportional to 6,591.90, 9,887.88 and 5,353.44

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Solution

The fourth proportional to 6,591.90, 9,887.88 and 5,353.44 is: 8,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.90 : 9,887.88 = 5,353.44 : x
  2. Step 2: Convert to fraction form
    6,591.90/9,887.88 = 5,353.44/x
  3. Step 3: Cross multiply
    6,591.90x = 9,887.88 × 5,353.44
  4. Step 4: Simplify right side
    6,591.90x = 52,934,172.31
  5. Step 5: Solve for x
    x = 52,934,172.31/6,591.90
  6. Step 6: Final answer
    x = 8,030.18

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1.5x scale

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.