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Finding the Fourth Proportional to 48,508.60, 66,921.18 and 27,801.14

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Solution

The fourth proportional to 48,508.60, 66,921.18 and 27,801.14 is: 38,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,508.60 : 66,921.18 = 27,801.14 : x
  2. Step 2: Convert to fraction form
    48,508.60/66,921.18 = 27,801.14/x
  3. Step 3: Cross multiply
    48,508.60x = 66,921.18 × 27,801.14
  4. Step 4: Simplify right side
    48,508.60x = 1,860,485,094.15
  5. Step 5: Solve for x
    x = 1,860,485,094.15/48,508.60
  6. Step 6: Final answer
    x = 38,353.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.