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Finding the Fourth Proportional to 48,600.80, 72,901.20 and 27,809.60

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Solution

The fourth proportional to 48,600.80, 72,901.20 and 27,809.60 is: 41,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600.80 : 72,901.20 = 27,809.60 : x
  2. Step 2: Convert to fraction form
    48,600.80/72,901.20 = 27,809.60/x
  3. Step 3: Cross multiply
    48,600.80x = 72,901.20 × 27,809.60
  4. Step 4: Simplify right side
    48,600.80x = 2,027,353,211.52
  5. Step 5: Solve for x
    x = 2,027,353,211.52/48,600.80
  6. Step 6: Final answer
    x = 41,714.40

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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.