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Finding the Fourth Proportional to 4,470.80, 6,701.40 and 1,696.40

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Solution

The fourth proportional to 4,470.80, 6,701.40 and 1,696.40 is: 2,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.80 : 6,701.40 = 1,696.40 : x
  2. Step 2: Convert to fraction form
    4,470.80/6,701.40 = 1,696.40/x
  3. Step 3: Cross multiply
    4,470.80x = 6,701.40 × 1,696.40
  4. Step 4: Simplify right side
    4,470.80x = 11,368,254.96
  5. Step 5: Solve for x
    x = 11,368,254.96/4,470.80
  6. Step 6: Final answer
    x = 2,542.78

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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.