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Finding the Fourth Proportional to 8,761.94, 13,142.91 and 2,522.84

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Solution

The fourth proportional to 8,761.94, 13,142.91 and 2,522.84 is: 3,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.94 : 13,142.91 = 2,522.84 : x
  2. Step 2: Convert to fraction form
    8,761.94/13,142.91 = 2,522.84/x
  3. Step 3: Cross multiply
    8,761.94x = 13,142.91 × 2,522.84
  4. Step 4: Simplify right side
    8,761.94x = 33,157,393.35
  5. Step 5: Solve for x
    x = 33,157,393.35/8,761.94
  6. Step 6: Final answer
    x = 3,784.25

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Double scale
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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.