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Finding the Fourth Proportional to 48,685.60, 72,971.16 and 22,000.44

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Solution

The fourth proportional to 48,685.60, 72,971.16 and 22,000.44 is: 32,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.60 : 72,971.16 = 22,000.44 : x
  2. Step 2: Convert to fraction form
    48,685.60/72,971.16 = 22,000.44/x
  3. Step 3: Cross multiply
    48,685.60x = 72,971.16 × 22,000.44
  4. Step 4: Simplify right side
    48,685.60x = 1,605,397,627.31
  5. Step 5: Solve for x
    x = 1,605,397,627.31/48,685.60
  6. Step 6: Final answer
    x = 32,974.80

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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.