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Finding the Fourth Proportional to 44,071.88, 66,051.66 and 20,646.68

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Solution

The fourth proportional to 44,071.88, 66,051.66 and 20,646.68 is: 30,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,071.88 : 66,051.66 = 20,646.68 : x
  2. Step 2: Convert to fraction form
    44,071.88/66,051.66 = 20,646.68/x
  3. Step 3: Cross multiply
    44,071.88x = 66,051.66 × 20,646.68
  4. Step 4: Simplify right side
    44,071.88x = 1,363,747,487.49
  5. Step 5: Solve for x
    x = 1,363,747,487.49/44,071.88
  6. Step 6: Final answer
    x = 30,943.71

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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.