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Finding the Fourth Proportional to 66,062.89, 91,166.85 and 37,769.17

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Solution

The fourth proportional to 66,062.89, 91,166.85 and 37,769.17 is: 52,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,062.89 : 91,166.85 = 37,769.17 : x
  2. Step 2: Convert to fraction form
    66,062.89/91,166.85 = 37,769.17/x
  3. Step 3: Cross multiply
    66,062.89x = 91,166.85 × 37,769.17
  4. Step 4: Simplify right side
    66,062.89x = 3,443,296,256.01
  5. Step 5: Solve for x
    x = 3,443,296,256.01/66,062.89
  6. Step 6: Final answer
    x = 52,121.49

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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.