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Finding the Fourth Proportional to 48,502.56, 72,724.68 and 18,518.76

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Solution

The fourth proportional to 48,502.56, 72,724.68 and 18,518.76 is: 27,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,502.56 : 72,724.68 = 18,518.76 : x
  2. Step 2: Convert to fraction form
    48,502.56/72,724.68 = 18,518.76/x
  3. Step 3: Cross multiply
    48,502.56x = 72,724.68 × 18,518.76
  4. Step 4: Simplify right side
    48,502.56x = 1,346,770,895.00
  5. Step 5: Solve for x
    x = 1,346,770,895.00/48,502.56
  6. Step 6: Final answer
    x = 27,767.01

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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.