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Finding the Fourth Proportional to 48,279.60, 72,419.40 and 41,799.60

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Solution

The fourth proportional to 48,279.60, 72,419.40 and 41,799.60 is: 62,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.60 : 72,419.40 = 41,799.60 : x
  2. Step 2: Convert to fraction form
    48,279.60/72,419.40 = 41,799.60/x
  3. Step 3: Cross multiply
    48,279.60x = 72,419.40 × 41,799.60
  4. Step 4: Simplify right side
    48,279.60x = 3,027,101,952.24
  5. Step 5: Solve for x
    x = 3,027,101,952.24/48,279.60
  6. Step 6: Final answer
    x = 62,699.40

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Similar ratio
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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.