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Finding the Fourth Proportional to 23,751.49, 35,639.39 and 9,721.89

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Solution

The fourth proportional to 23,751.49, 35,639.39 and 9,721.89 is: 14,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,751.49 : 35,639.39 = 9,721.89 : x
  2. Step 2: Convert to fraction form
    23,751.49/35,639.39 = 9,721.89/x
  3. Step 3: Cross multiply
    23,751.49x = 35,639.39 × 9,721.89
  4. Step 4: Simplify right side
    23,751.49x = 346,482,229.25
  5. Step 5: Solve for x
    x = 346,482,229.25/23,751.49
  6. Step 6: Final answer
    x = 14,587.81

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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.