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Finding the Fourth Proportional to 66,923.44, 92,353.61 and 36,708.65

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Solution

The fourth proportional to 66,923.44, 92,353.61 and 36,708.65 is: 50,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.44 : 92,353.61 = 36,708.65 : x
  2. Step 2: Convert to fraction form
    66,923.44/92,353.61 = 36,708.65/x
  3. Step 3: Cross multiply
    66,923.44x = 92,353.61 × 36,708.65
  4. Step 4: Simplify right side
    66,923.44x = 3,390,175,700.42
  5. Step 5: Solve for x
    x = 3,390,175,700.42/66,923.44
  6. Step 6: Final answer
    x = 50,657.53

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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.