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Finding the Fourth Proportional to 44,657.46, 66,986.22 and 21,212.82

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Solution

The fourth proportional to 44,657.46, 66,986.22 and 21,212.82 is: 31,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,657.46 : 66,986.22 = 21,212.82 : x
  2. Step 2: Convert to fraction form
    44,657.46/66,986.22 = 21,212.82/x
  3. Step 3: Cross multiply
    44,657.46x = 66,986.22 × 21,212.82
  4. Step 4: Simplify right side
    44,657.46x = 1,420,966,627.34
  5. Step 5: Solve for x
    x = 1,420,966,627.34/44,657.46
  6. Step 6: Final answer
    x = 31,819.24

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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.