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Finding the Fourth Proportional to 3,252, 4,488.56 and 1,855.56

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Solution

The fourth proportional to 3,252, 4,488.56 and 1,855.56 is: 2,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252 : 4,488.56 = 1,855.56 : x
  2. Step 2: Convert to fraction form
    3,252/4,488.56 = 1,855.56/x
  3. Step 3: Cross multiply
    3,252x = 4,488.56 × 1,855.56
  4. Step 4: Simplify right side
    3,252x = 8,328,792.39
  5. Step 5: Solve for x
    x = 8,328,792.39/3,252
  6. Step 6: Final answer
    x = 2,561.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.