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Finding the Fourth Proportional to 25,888.91, 38,844.98 and 15,379.46

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Solution

The fourth proportional to 25,888.91, 38,844.98 and 15,379.46 is: 23,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.91 : 38,844.98 = 15,379.46 : x
  2. Step 2: Convert to fraction form
    25,888.91/38,844.98 = 15,379.46/x
  3. Step 3: Cross multiply
    25,888.91x = 38,844.98 × 15,379.46
  4. Step 4: Simplify right side
    25,888.91x = 597,414,951.67
  5. Step 5: Solve for x
    x = 597,414,951.67/25,888.91
  6. Step 6: Final answer
    x = 23,076.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.