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Finding the Fourth Proportional to 6,641.48, 9,962.13 and 2,261.99

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Solution

The fourth proportional to 6,641.48, 9,962.13 and 2,261.99 is: 3,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.48 : 9,962.13 = 2,261.99 : x
  2. Step 2: Convert to fraction form
    6,641.48/9,962.13 = 2,261.99/x
  3. Step 3: Cross multiply
    6,641.48x = 9,962.13 × 2,261.99
  4. Step 4: Simplify right side
    6,641.48x = 22,534,238.44
  5. Step 5: Solve for x
    x = 22,534,238.44/6,641.48
  6. Step 6: Final answer
    x = 3,392.95

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Similar ratio
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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.