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Finding the Fourth Proportional to 8,665.93, 13,000.49 and 2,744.30

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Solution

The fourth proportional to 8,665.93, 13,000.49 and 2,744.30 is: 4,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.93 : 13,000.49 = 2,744.30 : x
  2. Step 2: Convert to fraction form
    8,665.93/13,000.49 = 2,744.30/x
  3. Step 3: Cross multiply
    8,665.93x = 13,000.49 × 2,744.30
  4. Step 4: Simplify right side
    8,665.93x = 35,677,244.71
  5. Step 5: Solve for x
    x = 35,677,244.71/8,665.93
  6. Step 6: Final answer
    x = 4,116.96

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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.