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Finding the Fourth Proportional to 18,018.09, 24,863.90 and 10,463.90

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Solution

The fourth proportional to 18,018.09, 24,863.90 and 10,463.90 is: 14,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.09 : 24,863.90 = 10,463.90 : x
  2. Step 2: Convert to fraction form
    18,018.09/24,863.90 = 10,463.90/x
  3. Step 3: Cross multiply
    18,018.09x = 24,863.90 × 10,463.90
  4. Step 4: Simplify right side
    18,018.09x = 260,173,186.57
  5. Step 5: Solve for x
    x = 260,173,186.57/18,018.09
  6. Step 6: Final answer
    x = 14,439.55

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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.