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Finding the Fourth Proportional to 3,332.82, 4,999.50 and 1,225.02

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Solution

The fourth proportional to 3,332.82, 4,999.50 and 1,225.02 is: 1,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.82 : 4,999.50 = 1,225.02 : x
  2. Step 2: Convert to fraction form
    3,332.82/4,999.50 = 1,225.02/x
  3. Step 3: Cross multiply
    3,332.82x = 4,999.50 × 1,225.02
  4. Step 4: Simplify right side
    3,332.82x = 6,124,487.49
  5. Step 5: Solve for x
    x = 6,124,487.49/3,332.82
  6. Step 6: Final answer
    x = 1,837.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.