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Finding the Fourth Proportional to 24,335.88, 33,581.52 and 13,728.12

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Solution

The fourth proportional to 24,335.88, 33,581.52 and 13,728.12 is: 18,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,335.88 : 33,581.52 = 13,728.12 : x
  2. Step 2: Convert to fraction form
    24,335.88/33,581.52 = 13,728.12/x
  3. Step 3: Cross multiply
    24,335.88x = 33,581.52 × 13,728.12
  4. Step 4: Simplify right side
    24,335.88x = 461,011,136.34
  5. Step 5: Solve for x
    x = 461,011,136.34/24,335.88
  6. Step 6: Final answer
    x = 18,943.68

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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.