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Finding the Fourth Proportional to 6,951.36, 10,407.04 and 6,515.36

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Solution

The fourth proportional to 6,951.36, 10,407.04 and 6,515.36 is: 9,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.36 : 10,407.04 = 6,515.36 : x
  2. Step 2: Convert to fraction form
    6,951.36/10,407.04 = 6,515.36/x
  3. Step 3: Cross multiply
    6,951.36x = 10,407.04 × 6,515.36
  4. Step 4: Simplify right side
    6,951.36x = 67,805,612.13
  5. Step 5: Solve for x
    x = 67,805,612.13/6,951.36
  6. Step 6: Final answer
    x = 9,754.29

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1.5x scale

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.