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Finding the Fourth Proportional to 80,464.28, 120,696.53 and 27,873.77

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Solution

The fourth proportional to 80,464.28, 120,696.53 and 27,873.77 is: 41,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,464.28 : 120,696.53 = 27,873.77 : x
  2. Step 2: Convert to fraction form
    80,464.28/120,696.53 = 27,873.77/x
  3. Step 3: Cross multiply
    80,464.28x = 120,696.53 × 27,873.77
  4. Step 4: Simplify right side
    80,464.28x = 3,364,266,574.17
  5. Step 5: Solve for x
    x = 3,364,266,574.17/80,464.28
  6. Step 6: Final answer
    x = 41,810.68

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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.