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Finding the Fourth Proportional to 8,974.01, 13,459.98 and 2,400.70

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Solution

The fourth proportional to 8,974.01, 13,459.98 and 2,400.70 is: 3,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.01 : 13,459.98 = 2,400.70 : x
  2. Step 2: Convert to fraction form
    8,974.01/13,459.98 = 2,400.70/x
  3. Step 3: Cross multiply
    8,974.01x = 13,459.98 × 2,400.70
  4. Step 4: Simplify right side
    8,974.01x = 32,313,373.99
  5. Step 5: Solve for x
    x = 32,313,373.99/8,974.01
  6. Step 6: Final answer
    x = 3,600.78

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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.