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Finding the Fourth Proportional to 77,995.28, 116,992.92 and 36,471.44

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Solution

The fourth proportional to 77,995.28, 116,992.92 and 36,471.44 is: 54,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995.28 : 116,992.92 = 36,471.44 : x
  2. Step 2: Convert to fraction form
    77,995.28/116,992.92 = 36,471.44/x
  3. Step 3: Cross multiply
    77,995.28x = 116,992.92 × 36,471.44
  4. Step 4: Simplify right side
    77,995.28x = 4,266,900,262.20
  5. Step 5: Solve for x
    x = 4,266,900,262.20/77,995.28
  6. Step 6: Final answer
    x = 54,707.16

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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.