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Finding the Fourth Proportional to 3,252, 4,487.76 and 2,368.55

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Solution

The fourth proportional to 3,252, 4,487.76 and 2,368.55 is: 3,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252 : 4,487.76 = 2,368.55 : x
  2. Step 2: Convert to fraction form
    3,252/4,487.76 = 2,368.55/x
  3. Step 3: Cross multiply
    3,252x = 4,487.76 × 2,368.55
  4. Step 4: Simplify right side
    3,252x = 10,629,495.17
  5. Step 5: Solve for x
    x = 10,629,495.17/3,252
  6. Step 6: Final answer
    x = 3,268.60

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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.