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Finding the Fourth Proportional to 44,447.91, 61,309.22 and 28,507.11

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Solution

The fourth proportional to 44,447.91, 61,309.22 and 28,507.11 is: 39,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,447.91 : 61,309.22 = 28,507.11 : x
  2. Step 2: Convert to fraction form
    44,447.91/61,309.22 = 28,507.11/x
  3. Step 3: Cross multiply
    44,447.91x = 61,309.22 × 28,507.11
  4. Step 4: Simplify right side
    44,447.91x = 1,747,748,536.02
  5. Step 5: Solve for x
    x = 1,747,748,536.02/44,447.91
  6. Step 6: Final answer
    x = 39,321.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.