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Finding the Fourth Proportional to 44,691.86, 66,935.67 and 21,334.70

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Solution

The fourth proportional to 44,691.86, 66,935.67 and 21,334.70 is: 31,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,691.86 : 66,935.67 = 21,334.70 : x
  2. Step 2: Convert to fraction form
    44,691.86/66,935.67 = 21,334.70/x
  3. Step 3: Cross multiply
    44,691.86x = 66,935.67 × 21,334.70
  4. Step 4: Simplify right side
    44,691.86x = 1,428,052,438.75
  5. Step 5: Solve for x
    x = 1,428,052,438.75/44,691.86
  6. Step 6: Final answer
    x = 31,953.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.