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Finding the Fourth Proportional to 54,673.65, 75,447.99 and 30,799.80

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Solution

The fourth proportional to 54,673.65, 75,447.99 and 30,799.80 is: 42,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.65 : 75,447.99 = 30,799.80 : x
  2. Step 2: Convert to fraction form
    54,673.65/75,447.99 = 30,799.80/x
  3. Step 3: Cross multiply
    54,673.65x = 75,447.99 × 30,799.80
  4. Step 4: Simplify right side
    54,673.65x = 2,323,783,002.40
  5. Step 5: Solve for x
    x = 2,323,783,002.40/54,673.65
  6. Step 6: Final answer
    x = 42,502.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.