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Finding the Fourth Proportional to 66,934.34, 92,369.01 and 36,718.89

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Solution

The fourth proportional to 66,934.34, 92,369.01 and 36,718.89 is: 50,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.34 : 92,369.01 = 36,718.89 : x
  2. Step 2: Convert to fraction form
    66,934.34/92,369.01 = 36,718.89/x
  3. Step 3: Cross multiply
    66,934.34x = 92,369.01 × 36,718.89
  4. Step 4: Simplify right side
    66,934.34x = 3,391,687,517.60
  5. Step 5: Solve for x
    x = 3,391,687,517.60/66,934.34
  6. Step 6: Final answer
    x = 50,671.86

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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.