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Finding the Fourth Proportional to 3,332.78, 4,599.16 and 1,840.69

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Solution

The fourth proportional to 3,332.78, 4,599.16 and 1,840.69 is: 2,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.78 : 4,599.16 = 1,840.69 : x
  2. Step 2: Convert to fraction form
    3,332.78/4,599.16 = 1,840.69/x
  3. Step 3: Cross multiply
    3,332.78x = 4,599.16 × 1,840.69
  4. Step 4: Simplify right side
    3,332.78x = 8,465,611.72
  5. Step 5: Solve for x
    x = 8,465,611.72/3,332.78
  6. Step 6: Final answer
    x = 2,540.11

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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.