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Finding the Fourth Proportional to 8,102.01, 12,153.01 and 1,946.01

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Solution

The fourth proportional to 8,102.01, 12,153.01 and 1,946.01 is: 2,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.01 : 12,153.01 = 1,946.01 : x
  2. Step 2: Convert to fraction form
    8,102.01/12,153.01 = 1,946.01/x
  3. Step 3: Cross multiply
    8,102.01x = 12,153.01 × 1,946.01
  4. Step 4: Simplify right side
    8,102.01x = 23,649,855.91
  5. Step 5: Solve for x
    x = 23,649,855.91/8,102.01
  6. Step 6: Final answer
    x = 2,919.01

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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.