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Finding the Fourth Proportional to 83,646.84, 125,485.88 and 27,503.18

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Solution

The fourth proportional to 83,646.84, 125,485.88 and 27,503.18 is: 41,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,646.84 : 125,485.88 = 27,503.18 : x
  2. Step 2: Convert to fraction form
    83,646.84/125,485.88 = 27,503.18/x
  3. Step 3: Cross multiply
    83,646.84x = 125,485.88 × 27,503.18
  4. Step 4: Simplify right side
    83,646.84x = 3,451,260,745.10
  5. Step 5: Solve for x
    x = 3,451,260,745.10/83,646.84
  6. Step 6: Final answer
    x = 41,259.91

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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.