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Finding the Fourth Proportional to 8,168.13, 11,266.71 and 4,808.12

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Solution

The fourth proportional to 8,168.13, 11,266.71 and 4,808.12 is: 6,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.13 : 11,266.71 = 4,808.12 : x
  2. Step 2: Convert to fraction form
    8,168.13/11,266.71 = 4,808.12/x
  3. Step 3: Cross multiply
    8,168.13x = 11,266.71 × 4,808.12
  4. Step 4: Simplify right side
    8,168.13x = 54,171,637.35
  5. Step 5: Solve for x
    x = 54,171,637.35/8,168.13
  6. Step 6: Final answer
    x = 6,632.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.