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Finding the Fourth Proportional to 44,271.70, 61,107.78 and 28,960.48

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Solution

The fourth proportional to 44,271.70, 61,107.78 and 28,960.48 is: 39,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,271.70 : 61,107.78 = 28,960.48 : x
  2. Step 2: Convert to fraction form
    44,271.70/61,107.78 = 28,960.48/x
  3. Step 3: Cross multiply
    44,271.70x = 61,107.78 × 28,960.48
  4. Step 4: Simplify right side
    44,271.70x = 1,769,710,640.53
  5. Step 5: Solve for x
    x = 1,769,710,640.53/44,271.70
  6. Step 6: Final answer
    x = 39,973.86

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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.