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Finding the Fourth Proportional to 6,351.66, 8,765.59 and 3,833.72

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Solution

The fourth proportional to 6,351.66, 8,765.59 and 3,833.72 is: 5,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.66 : 8,765.59 = 3,833.72 : x
  2. Step 2: Convert to fraction form
    6,351.66/8,765.59 = 3,833.72/x
  3. Step 3: Cross multiply
    6,351.66x = 8,765.59 × 3,833.72
  4. Step 4: Simplify right side
    6,351.66x = 33,604,830.02
  5. Step 5: Solve for x
    x = 33,604,830.02/6,351.66
  6. Step 6: Final answer
    x = 5,290.72

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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.