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Finding the Fourth Proportional to 23,063.59, 34,600.25 and 7,480

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Solution

The fourth proportional to 23,063.59, 34,600.25 and 7,480 is: 11,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,063.59 : 34,600.25 = 7,480 : x
  2. Step 2: Convert to fraction form
    23,063.59/34,600.25 = 7,480/x
  3. Step 3: Cross multiply
    23,063.59x = 34,600.25 × 7,480
  4. Step 4: Simplify right side
    23,063.59x = 258,809,870
  5. Step 5: Solve for x
    x = 258,809,870/23,063.59
  6. Step 6: Final answer
    x = 11,221.58

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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.