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Finding the Fourth Proportional to 44,695.92, 66,941.76 and 21,338.72

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Solution

The fourth proportional to 44,695.92, 66,941.76 and 21,338.72 is: 31,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,695.92 : 66,941.76 = 21,338.72 : x
  2. Step 2: Convert to fraction form
    44,695.92/66,941.76 = 21,338.72/x
  3. Step 3: Cross multiply
    44,695.92x = 66,941.76 × 21,338.72
  4. Step 4: Simplify right side
    44,695.92x = 1,428,451,472.95
  5. Step 5: Solve for x
    x = 1,428,451,472.95/44,695.92
  6. Step 6: Final answer
    x = 31,959.33

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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.