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Finding the Fourth Proportional to 44,448.66, 61,310.25 and 28,507.86

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Solution

The fourth proportional to 44,448.66, 61,310.25 and 28,507.86 is: 39,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,448.66 : 61,310.25 = 28,507.86 : x
  2. Step 2: Convert to fraction form
    44,448.66/61,310.25 = 28,507.86/x
  3. Step 3: Cross multiply
    44,448.66x = 61,310.25 × 28,507.86
  4. Step 4: Simplify right side
    44,448.66x = 1,747,824,023.57
  5. Step 5: Solve for x
    x = 1,747,824,023.57/44,448.66
  6. Step 6: Final answer
    x = 39,322.31

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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.