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Finding the Fourth Proportional to 3,332.66, 4,999.01 and 1,955.61

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Solution

The fourth proportional to 3,332.66, 4,999.01 and 1,955.61 is: 2,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.66 : 4,999.01 = 1,955.61 : x
  2. Step 2: Convert to fraction form
    3,332.66/4,999.01 = 1,955.61/x
  3. Step 3: Cross multiply
    3,332.66x = 4,999.01 × 1,955.61
  4. Step 4: Simplify right side
    3,332.66x = 9,776,104.17
  5. Step 5: Solve for x
    x = 9,776,104.17/3,332.66
  6. Step 6: Final answer
    x = 2,933.43

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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.