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Finding the Fourth Proportional to 6,559.74, 9,840.97 and 2,176.88

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Solution

The fourth proportional to 6,559.74, 9,840.97 and 2,176.88 is: 3,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,559.74 : 9,840.97 = 2,176.88 : x
  2. Step 2: Convert to fraction form
    6,559.74/9,840.97 = 2,176.88/x
  3. Step 3: Cross multiply
    6,559.74x = 9,840.97 × 2,176.88
  4. Step 4: Simplify right side
    6,559.74x = 21,422,610.77
  5. Step 5: Solve for x
    x = 21,422,610.77/6,559.74
  6. Step 6: Final answer
    x = 3,265.77

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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.