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Finding the Fourth Proportional to 83,277.64, 124,928.21 and 27,099.69

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Solution

The fourth proportional to 83,277.64, 124,928.21 and 27,099.69 is: 40,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,277.64 : 124,928.21 = 27,099.69 : x
  2. Step 2: Convert to fraction form
    83,277.64/124,928.21 = 27,099.69/x
  3. Step 3: Cross multiply
    83,277.64x = 124,928.21 × 27,099.69
  4. Step 4: Simplify right side
    83,277.64x = 3,385,515,763.25
  5. Step 5: Solve for x
    x = 3,385,515,763.25/83,277.64
  6. Step 6: Final answer
    x = 40,653.36

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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.