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Finding the Fourth Proportional to 38,793.60, 58,190.40 and 34,565.40

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Solution

The fourth proportional to 38,793.60, 58,190.40 and 34,565.40 is: 51,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.60 : 58,190.40 = 34,565.40 : x
  2. Step 2: Convert to fraction form
    38,793.60/58,190.40 = 34,565.40/x
  3. Step 3: Cross multiply
    38,793.60x = 58,190.40 × 34,565.40
  4. Step 4: Simplify right side
    38,793.60x = 2,011,374,452.16
  5. Step 5: Solve for x
    x = 2,011,374,452.16/38,793.60
  6. Step 6: Final answer
    x = 51,848.10

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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.