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Finding the Fourth Proportional to 48,587.60, 72,913.80 and 22,278.80

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Solution

The fourth proportional to 48,587.60, 72,913.80 and 22,278.80 is: 33,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.60 : 72,913.80 = 22,278.80 : x
  2. Step 2: Convert to fraction form
    48,587.60/72,913.80 = 22,278.80/x
  3. Step 3: Cross multiply
    48,587.60x = 72,913.80 × 22,278.80
  4. Step 4: Simplify right side
    48,587.60x = 1,624,431,967.44
  5. Step 5: Solve for x
    x = 1,624,431,967.44/48,587.60
  6. Step 6: Final answer
    x = 33,433.06

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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.