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Finding the Fourth Proportional to 44,591.85, 61,578.41 and 28,703.88

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Solution

The fourth proportional to 44,591.85, 61,578.41 and 28,703.88 is: 39,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,591.85 : 61,578.41 = 28,703.88 : x
  2. Step 2: Convert to fraction form
    44,591.85/61,578.41 = 28,703.88/x
  3. Step 3: Cross multiply
    44,591.85x = 61,578.41 × 28,703.88
  4. Step 4: Simplify right side
    44,591.85x = 1,767,539,147.71
  5. Step 5: Solve for x
    x = 1,767,539,147.71/44,591.85
  6. Step 6: Final answer
    x = 39,638.17

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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.