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Finding the Fourth Proportional to 5,703.97, 8,555.96 and 3,943.43

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Solution

The fourth proportional to 5,703.97, 8,555.96 and 3,943.43 is: 5,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.97 : 8,555.96 = 3,943.43 : x
  2. Step 2: Convert to fraction form
    5,703.97/8,555.96 = 3,943.43/x
  3. Step 3: Cross multiply
    5,703.97x = 8,555.96 × 3,943.43
  4. Step 4: Simplify right side
    5,703.97x = 33,739,809.63
  5. Step 5: Solve for x
    x = 33,739,809.63/5,703.97
  6. Step 6: Final answer
    x = 5,915.15

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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.