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Finding the Fourth Proportional to 77,081.96, 115,635.90 and 24,506.28

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Solution

The fourth proportional to 77,081.96, 115,635.90 and 24,506.28 is: 36,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,081.96 : 115,635.90 = 24,506.28 : x
  2. Step 2: Convert to fraction form
    77,081.96/115,635.90 = 24,506.28/x
  3. Step 3: Cross multiply
    77,081.96x = 115,635.90 × 24,506.28
  4. Step 4: Simplify right side
    77,081.96x = 2,833,805,743.45
  5. Step 5: Solve for x
    x = 2,833,805,743.45/77,081.96
  6. Step 6: Final answer
    x = 36,763.54

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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.