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Finding the Fourth Proportional to 6,558.88, 9,839.78 and 2,398.80

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Solution

The fourth proportional to 6,558.88, 9,839.78 and 2,398.80 is: 3,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.88 : 9,839.78 = 2,398.80 : x
  2. Step 2: Convert to fraction form
    6,558.88/9,839.78 = 2,398.80/x
  3. Step 3: Cross multiply
    6,558.88x = 9,839.78 × 2,398.80
  4. Step 4: Simplify right side
    6,558.88x = 23,603,615.07
  5. Step 5: Solve for x
    x = 23,603,615.07/6,558.88
  6. Step 6: Final answer
    x = 3,598.73

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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.