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Finding the Fourth Proportional to 48,618.48, 72,849.96 and 43,952.88

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Solution

The fourth proportional to 48,618.48, 72,849.96 and 43,952.88 is: 65,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618.48 : 72,849.96 = 43,952.88 : x
  2. Step 2: Convert to fraction form
    48,618.48/72,849.96 = 43,952.88/x
  3. Step 3: Cross multiply
    48,618.48x = 72,849.96 × 43,952.88
  4. Step 4: Simplify right side
    48,618.48x = 3,201,965,549.88
  5. Step 5: Solve for x
    x = 3,201,965,549.88/48,618.48
  6. Step 6: Final answer
    x = 65,859.02

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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.