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Finding the Fourth Proportional to 17,518.80, 24,174.99 and 9,964.11

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Solution

The fourth proportional to 17,518.80, 24,174.99 and 9,964.11 is: 13,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.80 : 24,174.99 = 9,964.11 : x
  2. Step 2: Convert to fraction form
    17,518.80/24,174.99 = 9,964.11/x
  3. Step 3: Cross multiply
    17,518.80x = 24,174.99 × 9,964.11
  4. Step 4: Simplify right side
    17,518.80x = 240,882,259.61
  5. Step 5: Solve for x
    x = 240,882,259.61/17,518.80
  6. Step 6: Final answer
    x = 13,749.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.