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Finding the Fourth Proportional to 8,588.70, 12,861.45 and 5,651.10

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Solution

The fourth proportional to 8,588.70, 12,861.45 and 5,651.10 is: 8,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.70 : 12,861.45 = 5,651.10 : x
  2. Step 2: Convert to fraction form
    8,588.70/12,861.45 = 5,651.10/x
  3. Step 3: Cross multiply
    8,588.70x = 12,861.45 × 5,651.10
  4. Step 4: Simplify right side
    8,588.70x = 72,681,340.10
  5. Step 5: Solve for x
    x = 72,681,340.10/8,588.70
  6. Step 6: Final answer
    x = 8,462.44

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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.