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Finding the Fourth Proportional to 8,996.77, 13,488.47 and 4,250.57

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Solution

The fourth proportional to 8,996.77, 13,488.47 and 4,250.57 is: 6,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.77 : 13,488.47 = 4,250.57 : x
  2. Step 2: Convert to fraction form
    8,996.77/13,488.47 = 4,250.57/x
  3. Step 3: Cross multiply
    8,996.77x = 13,488.47 × 4,250.57
  4. Step 4: Simplify right side
    8,996.77x = 57,333,664.68
  5. Step 5: Solve for x
    x = 57,333,664.68/8,996.77
  6. Step 6: Final answer
    x = 6,372.70

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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.