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Finding the Fourth Proportional to 84,996.56, 127,494.72 and 40,488.32

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Solution

The fourth proportional to 84,996.56, 127,494.72 and 40,488.32 is: 60,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,996.56 : 127,494.72 = 40,488.32 : x
  2. Step 2: Convert to fraction form
    84,996.56/127,494.72 = 40,488.32/x
  3. Step 3: Cross multiply
    84,996.56x = 127,494.72 × 40,488.32
  4. Step 4: Simplify right side
    84,996.56x = 5,162,047,021.67
  5. Step 5: Solve for x
    x = 5,162,047,021.67/84,996.56
  6. Step 6: Final answer
    x = 60,732.42

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1.5x scale

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.