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Finding the Fourth Proportional to 49,160.84, 67,841.70 and 27,938.84

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Solution

The fourth proportional to 49,160.84, 67,841.70 and 27,938.84 is: 38,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,160.84 : 67,841.70 = 27,938.84 : x
  2. Step 2: Convert to fraction form
    49,160.84/67,841.70 = 27,938.84/x
  3. Step 3: Cross multiply
    49,160.84x = 67,841.70 × 27,938.84
  4. Step 4: Simplify right side
    49,160.84x = 1,895,418,401.63
  5. Step 5: Solve for x
    x = 1,895,418,401.63/49,160.84
  6. Step 6: Final answer
    x = 38,555.45

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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.