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Finding the Fourth Proportional to 38,318.42, 52,843.02 and 25,374.62

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Solution

The fourth proportional to 38,318.42, 52,843.02 and 25,374.62 is: 34,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.42 : 52,843.02 = 25,374.62 : x
  2. Step 2: Convert to fraction form
    38,318.42/52,843.02 = 25,374.62/x
  3. Step 3: Cross multiply
    38,318.42x = 52,843.02 × 25,374.62
  4. Step 4: Simplify right side
    38,318.42x = 1,340,871,287.94
  5. Step 5: Solve for x
    x = 1,340,871,287.94/38,318.42
  6. Step 6: Final answer
    x = 34,992.87

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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.