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Finding the Fourth Proportional to 6,932.40, 9,555.78 and 6,360.36

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Solution

The fourth proportional to 6,932.40, 9,555.78 and 6,360.36 is: 8,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.40 : 9,555.78 = 6,360.36 : x
  2. Step 2: Convert to fraction form
    6,932.40/9,555.78 = 6,360.36/x
  3. Step 3: Cross multiply
    6,932.40x = 9,555.78 × 6,360.36
  4. Step 4: Simplify right side
    6,932.40x = 60,778,200.88
  5. Step 5: Solve for x
    x = 60,778,200.88/6,932.40
  6. Step 6: Final answer
    x = 8,767.27

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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.