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Finding the Fourth Proportional to 77,162.56, 115,752.32 and 24,559.72

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Solution

The fourth proportional to 77,162.56, 115,752.32 and 24,559.72 is: 36,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162.56 : 115,752.32 = 24,559.72 : x
  2. Step 2: Convert to fraction form
    77,162.56/115,752.32 = 24,559.72/x
  3. Step 3: Cross multiply
    77,162.56x = 115,752.32 × 24,559.72
  4. Step 4: Simplify right side
    77,162.56x = 2,842,844,568.55
  5. Step 5: Solve for x
    x = 2,842,844,568.55/77,162.56
  6. Step 6: Final answer
    x = 36,842.28

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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.