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Finding the Fourth Proportional to 52,974.78, 79,460.94 and 26,672.46

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Solution

The fourth proportional to 52,974.78, 79,460.94 and 26,672.46 is: 40,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,974.78 : 79,460.94 = 26,672.46 : x
  2. Step 2: Convert to fraction form
    52,974.78/79,460.94 = 26,672.46/x
  3. Step 3: Cross multiply
    52,974.78x = 79,460.94 × 26,672.46
  4. Step 4: Simplify right side
    52,974.78x = 2,119,418,743.71
  5. Step 5: Solve for x
    x = 2,119,418,743.71/52,974.78
  6. Step 6: Final answer
    x = 40,008.07

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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.