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Finding the Fourth Proportional to 80,288.81, 110,799.33 and 44,479.58

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Solution

The fourth proportional to 80,288.81, 110,799.33 and 44,479.58 is: 61,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,288.81 : 110,799.33 = 44,479.58 : x
  2. Step 2: Convert to fraction form
    80,288.81/110,799.33 = 44,479.58/x
  3. Step 3: Cross multiply
    80,288.81x = 110,799.33 × 44,479.58
  4. Step 4: Simplify right side
    80,288.81x = 4,928,307,662.68
  5. Step 5: Solve for x
    x = 4,928,307,662.68/80,288.81
  6. Step 6: Final answer
    x = 61,382.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.