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Finding the Fourth Proportional to 66,958.50, 92,402.76 and 37,150.50

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Solution

The fourth proportional to 66,958.50, 92,402.76 and 37,150.50 is: 51,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.50 : 92,402.76 = 37,150.50 : x
  2. Step 2: Convert to fraction form
    66,958.50/92,402.76 = 37,150.50/x
  3. Step 3: Cross multiply
    66,958.50x = 92,402.76 × 37,150.50
  4. Step 4: Simplify right side
    66,958.50x = 3,432,808,735.38
  5. Step 5: Solve for x
    x = 3,432,808,735.38/66,958.50
  6. Step 6: Final answer
    x = 51,267.71

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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.