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Finding the Fourth Proportional to 18,061.53, 24,924.90 and 10,103.92

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Solution

The fourth proportional to 18,061.53, 24,924.90 and 10,103.92 is: 13,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.53 : 24,924.90 = 10,103.92 : x
  2. Step 2: Convert to fraction form
    18,061.53/24,924.90 = 10,103.92/x
  3. Step 3: Cross multiply
    18,061.53x = 24,924.90 × 10,103.92
  4. Step 4: Simplify right side
    18,061.53x = 251,839,254.55
  5. Step 5: Solve for x
    x = 251,839,254.55/18,061.53
  6. Step 6: Final answer
    x = 13,943.41

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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.