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Finding the Fourth Proportional to 48,808.43, 73,230.87 and 19,246.88

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Solution

The fourth proportional to 48,808.43, 73,230.87 and 19,246.88 is: 28,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.43 : 73,230.87 = 19,246.88 : x
  2. Step 2: Convert to fraction form
    48,808.43/73,230.87 = 19,246.88/x
  3. Step 3: Cross multiply
    48,808.43x = 73,230.87 × 19,246.88
  4. Step 4: Simplify right side
    48,808.43x = 1,409,465,767.19
  5. Step 5: Solve for x
    x = 1,409,465,767.19/48,808.43
  6. Step 6: Final answer
    x = 28,877.51

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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.