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Finding the Fourth Proportional to 5,853.99, 8,781.39 and 1,957.89

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Solution

The fourth proportional to 5,853.99, 8,781.39 and 1,957.89 is: 2,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.99 : 8,781.39 = 1,957.89 : x
  2. Step 2: Convert to fraction form
    5,853.99/8,781.39 = 1,957.89/x
  3. Step 3: Cross multiply
    5,853.99x = 8,781.39 × 1,957.89
  4. Step 4: Simplify right side
    5,853.99x = 17,192,995.67
  5. Step 5: Solve for x
    x = 17,192,995.67/5,853.99
  6. Step 6: Final answer
    x = 2,936.97

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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.