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Finding the Fourth Proportional to 80,443.80, 111,012.93 and 44,634.51

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Solution

The fourth proportional to 80,443.80, 111,012.93 and 44,634.51 is: 61,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,443.80 : 111,012.93 = 44,634.51 : x
  2. Step 2: Convert to fraction form
    80,443.80/111,012.93 = 44,634.51/x
  3. Step 3: Cross multiply
    80,443.80x = 111,012.93 × 44,634.51
  4. Step 4: Simplify right side
    80,443.80x = 4,955,007,734.21
  5. Step 5: Solve for x
    x = 4,955,007,734.21/80,443.80
  6. Step 6: Final answer
    x = 61,595.89

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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.