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Finding the Fourth Proportional to 5,891.46, 8,838.42 and 1,996.20

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Solution

The fourth proportional to 5,891.46, 8,838.42 and 1,996.20 is: 2,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.46 : 8,838.42 = 1,996.20 : x
  2. Step 2: Convert to fraction form
    5,891.46/8,838.42 = 1,996.20/x
  3. Step 3: Cross multiply
    5,891.46x = 8,838.42 × 1,996.20
  4. Step 4: Simplify right side
    5,891.46x = 17,643,254.00
  5. Step 5: Solve for x
    x = 17,643,254.00/5,891.46
  6. Step 6: Final answer
    x = 2,994.72

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Half scale
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Double scale
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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.