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Finding the Fourth Proportional to 22,307.60, 33,456 and 7,512.68

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Solution

The fourth proportional to 22,307.60, 33,456 and 7,512.68 is: 11,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.60 : 33,456 = 7,512.68 : x
  2. Step 2: Convert to fraction form
    22,307.60/33,456 = 7,512.68/x
  3. Step 3: Cross multiply
    22,307.60x = 33,456 × 7,512.68
  4. Step 4: Simplify right side
    22,307.60x = 251,344,222.08
  5. Step 5: Solve for x
    x = 251,344,222.08/22,307.60
  6. Step 6: Final answer
    x = 11,267.20

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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.