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Finding the Fourth Proportional to 3,587.52, 4,955.52 and 2,891.52

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Solution

The fourth proportional to 3,587.52, 4,955.52 and 2,891.52 is: 3,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.52 : 4,955.52 = 2,891.52 : x
  2. Step 2: Convert to fraction form
    3,587.52/4,955.52 = 2,891.52/x
  3. Step 3: Cross multiply
    3,587.52x = 4,955.52 × 2,891.52
  4. Step 4: Simplify right side
    3,587.52x = 14,328,985.19
  5. Step 5: Solve for x
    x = 14,328,985.19/3,587.52
  6. Step 6: Final answer
    x = 3,994.12

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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.