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Finding the Fourth Proportional to 48,292.60, 72,438.90 and 44,793.40

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Solution

The fourth proportional to 48,292.60, 72,438.90 and 44,793.40 is: 67,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,292.60 : 72,438.90 = 44,793.40 : x
  2. Step 2: Convert to fraction form
    48,292.60/72,438.90 = 44,793.40/x
  3. Step 3: Cross multiply
    48,292.60x = 72,438.90 × 44,793.40
  4. Step 4: Simplify right side
    48,292.60x = 3,244,784,623.26
  5. Step 5: Solve for x
    x = 3,244,784,623.26/48,292.60
  6. Step 6: Final answer
    x = 67,190.10

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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.