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Finding the Fourth Proportional to 3,356.64, 5,030.64 and 2,708.64

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Solution

The fourth proportional to 3,356.64, 5,030.64 and 2,708.64 is: 4,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.64 : 5,030.64 = 2,708.64 : x
  2. Step 2: Convert to fraction form
    3,356.64/5,030.64 = 2,708.64/x
  3. Step 3: Cross multiply
    3,356.64x = 5,030.64 × 2,708.64
  4. Step 4: Simplify right side
    3,356.64x = 13,626,192.73
  5. Step 5: Solve for x
    x = 13,626,192.73/3,356.64
  6. Step 6: Final answer
    x = 4,059.47

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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.