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Finding the Fourth Proportional to 18,076.57, 24,947.60 and 10,119.53

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Solution

The fourth proportional to 18,076.57, 24,947.60 and 10,119.53 is: 13,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.57 : 24,947.60 = 10,119.53 : x
  2. Step 2: Convert to fraction form
    18,076.57/24,947.60 = 10,119.53/x
  3. Step 3: Cross multiply
    18,076.57x = 24,947.60 × 10,119.53
  4. Step 4: Simplify right side
    18,076.57x = 252,457,998.40
  5. Step 5: Solve for x
    x = 252,457,998.40/18,076.57
  6. Step 6: Final answer
    x = 13,966.04

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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.