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Finding the Fourth Proportional to 5,946.79, 8,919.88 and 1,998.10

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Solution

The fourth proportional to 5,946.79, 8,919.88 and 1,998.10 is: 2,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.79 : 8,919.88 = 1,998.10 : x
  2. Step 2: Convert to fraction form
    5,946.79/8,919.88 = 1,998.10/x
  3. Step 3: Cross multiply
    5,946.79x = 8,919.88 × 1,998.10
  4. Step 4: Simplify right side
    5,946.79x = 17,822,812.23
  5. Step 5: Solve for x
    x = 17,822,812.23/5,946.79
  6. Step 6: Final answer
    x = 2,997.05

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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.