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Finding the Fourth Proportional to 80,448.93, 111,017.82 and 44,638.17

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Solution

The fourth proportional to 80,448.93, 111,017.82 and 44,638.17 is: 61,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448.93 : 111,017.82 = 44,638.17 : x
  2. Step 2: Convert to fraction form
    80,448.93/111,017.82 = 44,638.17/x
  3. Step 3: Cross multiply
    80,448.93x = 111,017.82 × 44,638.17
  4. Step 4: Simplify right side
    80,448.93x = 4,955,632,322.19
  5. Step 5: Solve for x
    x = 4,955,632,322.19/80,448.93
  6. Step 6: Final answer
    x = 61,599.73

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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.