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Finding the Fourth Proportional to 8,591.66, 12,887.08 and 5,035.76

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Solution

The fourth proportional to 8,591.66, 12,887.08 and 5,035.76 is: 7,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.66 : 12,887.08 = 5,035.76 : x
  2. Step 2: Convert to fraction form
    8,591.66/12,887.08 = 5,035.76/x
  3. Step 3: Cross multiply
    8,591.66x = 12,887.08 × 5,035.76
  4. Step 4: Simplify right side
    8,591.66x = 64,896,241.98
  5. Step 5: Solve for x
    x = 64,896,241.98/8,591.66
  6. Step 6: Final answer
    x = 7,553.40

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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.