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Finding the Fourth Proportional to 17,868.65, 24,658.92 and 9,911.01

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Solution

The fourth proportional to 17,868.65, 24,658.92 and 9,911.01 is: 13,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.65 : 24,658.92 = 9,911.01 : x
  2. Step 2: Convert to fraction form
    17,868.65/24,658.92 = 9,911.01/x
  3. Step 3: Cross multiply
    17,868.65x = 24,658.92 × 9,911.01
  4. Step 4: Simplify right side
    17,868.65x = 244,394,802.71
  5. Step 5: Solve for x
    x = 244,394,802.71/17,868.65
  6. Step 6: Final answer
    x = 13,677.29

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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.