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Finding the Fourth Proportional to 18,445.44, 25,454.78 and 10,062.12

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Solution

The fourth proportional to 18,445.44, 25,454.78 and 10,062.12 is: 13,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.44 : 25,454.78 = 10,062.12 : x
  2. Step 2: Convert to fraction form
    18,445.44/25,454.78 = 10,062.12/x
  3. Step 3: Cross multiply
    18,445.44x = 25,454.78 × 10,062.12
  4. Step 4: Simplify right side
    18,445.44x = 256,129,050.93
  5. Step 5: Solve for x
    x = 256,129,050.93/18,445.44
  6. Step 6: Final answer
    x = 13,885.77

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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.