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Finding the Fourth Proportional to 3,515.52, 4,841.28 and 3,504

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Solution

The fourth proportional to 3,515.52, 4,841.28 and 3,504 is: 4,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.52 : 4,841.28 = 3,504 : x
  2. Step 2: Convert to fraction form
    3,515.52/4,841.28 = 3,504/x
  3. Step 3: Cross multiply
    3,515.52x = 4,841.28 × 3,504
  4. Step 4: Simplify right side
    3,515.52x = 16,963,845.12
  5. Step 5: Solve for x
    x = 16,963,845.12/3,515.52
  6. Step 6: Final answer
    x = 4,825.42

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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.