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Finding the Fourth Proportional to 66,034.76, 91,123.22 and 37,354.28

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Solution

The fourth proportional to 66,034.76, 91,123.22 and 37,354.28 is: 51,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,034.76 : 91,123.22 = 37,354.28 : x
  2. Step 2: Convert to fraction form
    66,034.76/91,123.22 = 37,354.28/x
  3. Step 3: Cross multiply
    66,034.76x = 91,123.22 × 37,354.28
  4. Step 4: Simplify right side
    66,034.76x = 3,403,842,274.38
  5. Step 5: Solve for x
    x = 3,403,842,274.38/66,034.76
  6. Step 6: Final answer
    x = 51,546.22

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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.