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Finding the Fourth Proportional to 48,401.68, 66,799.20 and 27,179.68

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Solution

The fourth proportional to 48,401.68, 66,799.20 and 27,179.68 is: 37,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401.68 : 66,799.20 = 27,179.68 : x
  2. Step 2: Convert to fraction form
    48,401.68/66,799.20 = 27,179.68/x
  3. Step 3: Cross multiply
    48,401.68x = 66,799.20 × 27,179.68
  4. Step 4: Simplify right side
    48,401.68x = 1,815,580,880.26
  5. Step 5: Solve for x
    x = 1,815,580,880.26/48,401.68
  6. Step 6: Final answer
    x = 37,510.70

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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.