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Finding the Fourth Proportional to 18,082.76, 24,963.54 and 12,484.04

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Solution

The fourth proportional to 18,082.76, 24,963.54 and 12,484.04 is: 17,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.76 : 24,963.54 = 12,484.04 : x
  2. Step 2: Convert to fraction form
    18,082.76/24,963.54 = 12,484.04/x
  3. Step 3: Cross multiply
    18,082.76x = 24,963.54 × 12,484.04
  4. Step 4: Simplify right side
    18,082.76x = 311,645,831.90
  5. Step 5: Solve for x
    x = 311,645,831.90/18,082.76
  6. Step 6: Final answer
    x = 17,234.42

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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.