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Finding the Fourth Proportional to 54,673.38, 75,447.72 and 30,799.98

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Solution

The fourth proportional to 54,673.38, 75,447.72 and 30,799.98 is: 42,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.38 : 75,447.72 = 30,799.98 : x
  2. Step 2: Convert to fraction form
    54,673.38/75,447.72 = 30,799.98/x
  3. Step 3: Cross multiply
    54,673.38x = 75,447.72 × 30,799.98
  4. Step 4: Simplify right side
    54,673.38x = 2,323,788,267.05
  5. Step 5: Solve for x
    x = 2,323,788,267.05/54,673.38
  6. Step 6: Final answer
    x = 42,503.10

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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.