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Finding the Fourth Proportional to 83,607.84, 125,415.95 and 27,425.22

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Solution

The fourth proportional to 83,607.84, 125,415.95 and 27,425.22 is: 41,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,607.84 : 125,415.95 = 27,425.22 : x
  2. Step 2: Convert to fraction form
    83,607.84/125,415.95 = 27,425.22/x
  3. Step 3: Cross multiply
    83,607.84x = 125,415.95 × 27,425.22
  4. Step 4: Simplify right side
    83,607.84x = 3,439,560,020.26
  5. Step 5: Solve for x
    x = 3,439,560,020.26/83,607.84
  6. Step 6: Final answer
    x = 41,139.20

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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.