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Finding the Fourth Proportional to 66,912.38, 92,339.08 and 37,104.38

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Solution

The fourth proportional to 66,912.38, 92,339.08 and 37,104.38 is: 51,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,912.38 : 92,339.08 = 37,104.38 : x
  2. Step 2: Convert to fraction form
    66,912.38/92,339.08 = 37,104.38/x
  3. Step 3: Cross multiply
    66,912.38x = 92,339.08 × 37,104.38
  4. Step 4: Simplify right side
    66,912.38x = 3,426,183,758.71
  5. Step 5: Solve for x
    x = 3,426,183,758.71/66,912.38
  6. Step 6: Final answer
    x = 51,204.04

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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.