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Finding the Fourth Proportional to 66,575.31, 91,873.45 and 36,360.63

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Solution

The fourth proportional to 66,575.31, 91,873.45 and 36,360.63 is: 50,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,575.31 : 91,873.45 = 36,360.63 : x
  2. Step 2: Convert to fraction form
    66,575.31/91,873.45 = 36,360.63/x
  3. Step 3: Cross multiply
    66,575.31x = 91,873.45 × 36,360.63
  4. Step 4: Simplify right side
    66,575.31x = 3,340,576,522.27
  5. Step 5: Solve for x
    x = 3,340,576,522.27/66,575.31
  6. Step 6: Final answer
    x = 50,177.41

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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.