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Finding the Fourth Proportional to 60,713.70, 83,770.65 and 36,839.82

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Solution

The fourth proportional to 60,713.70, 83,770.65 and 36,839.82 is: 50,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,713.70 : 83,770.65 = 36,839.82 : x
  2. Step 2: Convert to fraction form
    60,713.70/83,770.65 = 36,839.82/x
  3. Step 3: Cross multiply
    60,713.70x = 83,770.65 × 36,839.82
  4. Step 4: Simplify right side
    60,713.70x = 3,086,095,667.28
  5. Step 5: Solve for x
    x = 3,086,095,667.28/60,713.70
  6. Step 6: Final answer
    x = 50,830.30

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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.