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Finding the Fourth Proportional to 44,407.89, 66,611.82 and 13,243.14

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Solution

The fourth proportional to 44,407.89, 66,611.82 and 13,243.14 is: 19,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,407.89 : 66,611.82 = 13,243.14 : x
  2. Step 2: Convert to fraction form
    44,407.89/66,611.82 = 13,243.14/x
  3. Step 3: Cross multiply
    44,407.89x = 66,611.82 × 13,243.14
  4. Step 4: Simplify right side
    44,407.89x = 882,149,657.91
  5. Step 5: Solve for x
    x = 882,149,657.91/44,407.89
  6. Step 6: Final answer
    x = 19,864.71

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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.