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Finding the Fourth Proportional to 18,752.74, 28,115.12 and 6,265.37

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Solution

The fourth proportional to 18,752.74, 28,115.12 and 6,265.37 is: 9,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.74 : 28,115.12 = 6,265.37 : x
  2. Step 2: Convert to fraction form
    18,752.74/28,115.12 = 6,265.37/x
  3. Step 3: Cross multiply
    18,752.74x = 28,115.12 × 6,265.37
  4. Step 4: Simplify right side
    18,752.74x = 176,151,715.35
  5. Step 5: Solve for x
    x = 176,151,715.35/18,752.74
  6. Step 6: Final answer
    x = 9,393.39

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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.