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Finding the Fourth Proportional to 23,454.45, 35,185.68 and 8,663.45

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Solution

The fourth proportional to 23,454.45, 35,185.68 and 8,663.45 is: 12,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,454.45 : 35,185.68 = 8,663.45 : x
  2. Step 2: Convert to fraction form
    23,454.45/35,185.68 = 8,663.45/x
  3. Step 3: Cross multiply
    23,454.45x = 35,185.68 × 8,663.45
  4. Step 4: Simplify right side
    23,454.45x = 304,829,203.47
  5. Step 5: Solve for x
    x = 304,829,203.47/23,454.45
  6. Step 6: Final answer
    x = 12,996.65

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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.