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Finding the Fourth Proportional to 3,612.54, 4,985.55 and 2,041.02

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Solution

The fourth proportional to 3,612.54, 4,985.55 and 2,041.02 is: 2,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.54 : 4,985.55 = 2,041.02 : x
  2. Step 2: Convert to fraction form
    3,612.54/4,985.55 = 2,041.02/x
  3. Step 3: Cross multiply
    3,612.54x = 4,985.55 × 2,041.02
  4. Step 4: Simplify right side
    3,612.54x = 10,175,607.26
  5. Step 5: Solve for x
    x = 10,175,607.26/3,612.54
  6. Step 6: Final answer
    x = 2,816.75

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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.