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Finding the Fourth Proportional to 48,080.34, 72,128.75 and 14,799.74

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Solution

The fourth proportional to 48,080.34, 72,128.75 and 14,799.74 is: 22,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,080.34 : 72,128.75 = 14,799.74 : x
  2. Step 2: Convert to fraction form
    48,080.34/72,128.75 = 14,799.74/x
  3. Step 3: Cross multiply
    48,080.34x = 72,128.75 × 14,799.74
  4. Step 4: Simplify right side
    48,080.34x = 1,067,486,311.88
  5. Step 5: Solve for x
    x = 1,067,486,311.88/48,080.34
  6. Step 6: Final answer
    x = 22,202.14

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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.