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Finding the Fourth Proportional to 48,493.68, 72,740.52 and 15,218.88

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Solution

The fourth proportional to 48,493.68, 72,740.52 and 15,218.88 is: 22,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.68 : 72,740.52 = 15,218.88 : x
  2. Step 2: Convert to fraction form
    48,493.68/72,740.52 = 15,218.88/x
  3. Step 3: Cross multiply
    48,493.68x = 72,740.52 × 15,218.88
  4. Step 4: Simplify right side
    48,493.68x = 1,107,029,245.02
  5. Step 5: Solve for x
    x = 1,107,029,245.02/48,493.68
  6. Step 6: Final answer
    x = 22,828.32

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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.