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Finding the Fourth Proportional to 3,881.04, 5,355 and 2,483.52

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Solution

The fourth proportional to 3,881.04, 5,355 and 2,483.52 is: 3,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.04 : 5,355 = 2,483.52 : x
  2. Step 2: Convert to fraction form
    3,881.04/5,355 = 2,483.52/x
  3. Step 3: Cross multiply
    3,881.04x = 5,355 × 2,483.52
  4. Step 4: Simplify right side
    3,881.04x = 13,299,249.60
  5. Step 5: Solve for x
    x = 13,299,249.60/3,881.04
  6. Step 6: Final answer
    x = 3,426.72

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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.