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Finding the Fourth Proportional to 48,252.40, 72,443.40 and 30,799.60

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Solution

The fourth proportional to 48,252.40, 72,443.40 and 30,799.60 is: 46,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,252.40 : 72,443.40 = 30,799.60 : x
  2. Step 2: Convert to fraction form
    48,252.40/72,443.40 = 30,799.60/x
  3. Step 3: Cross multiply
    48,252.40x = 72,443.40 × 30,799.60
  4. Step 4: Simplify right side
    48,252.40x = 2,231,227,742.64
  5. Step 5: Solve for x
    x = 2,231,227,742.64/48,252.40
  6. Step 6: Final answer
    x = 46,240.76

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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.