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Finding the Fourth Proportional to 6,866.51, 9,479.30 and 4,351.19

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Solution

The fourth proportional to 6,866.51, 9,479.30 and 4,351.19 is: 6,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.51 : 9,479.30 = 4,351.19 : x
  2. Step 2: Convert to fraction form
    6,866.51/9,479.30 = 4,351.19/x
  3. Step 3: Cross multiply
    6,866.51x = 9,479.30 × 4,351.19
  4. Step 4: Simplify right side
    6,866.51x = 41,246,166.21
  5. Step 5: Solve for x
    x = 41,246,166.21/6,866.51
  6. Step 6: Final answer
    x = 6,006.86

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1.5x scale

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.