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Finding the Fourth Proportional to 17,718.70, 24,448.20 and 13,468.62

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Solution

The fourth proportional to 17,718.70, 24,448.20 and 13,468.62 is: 18,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.70 : 24,448.20 = 13,468.62 : x
  2. Step 2: Convert to fraction form
    17,718.70/24,448.20 = 13,468.62/x
  3. Step 3: Cross multiply
    17,718.70x = 24,448.20 × 13,468.62
  4. Step 4: Simplify right side
    17,718.70x = 329,283,515.48
  5. Step 5: Solve for x
    x = 329,283,515.48/17,718.70
  6. Step 6: Final answer
    x = 18,583.95

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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.