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Finding the Fourth Proportional to 48,598.60, 72,854.96 and 18,995.74

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Solution

The fourth proportional to 48,598.60, 72,854.96 and 18,995.74 is: 28,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,598.60 : 72,854.96 = 18,995.74 : x
  2. Step 2: Convert to fraction form
    48,598.60/72,854.96 = 18,995.74/x
  3. Step 3: Cross multiply
    48,598.60x = 72,854.96 × 18,995.74
  4. Step 4: Simplify right side
    48,598.60x = 1,383,933,877.87
  5. Step 5: Solve for x
    x = 1,383,933,877.87/48,598.60
  6. Step 6: Final answer
    x = 28,476.83

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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.