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Finding the Fourth Proportional to 8,908.83, 13,363.11 and 3,065.49

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Solution

The fourth proportional to 8,908.83, 13,363.11 and 3,065.49 is: 4,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.83 : 13,363.11 = 3,065.49 : x
  2. Step 2: Convert to fraction form
    8,908.83/13,363.11 = 3,065.49/x
  3. Step 3: Cross multiply
    8,908.83x = 13,363.11 × 3,065.49
  4. Step 4: Simplify right side
    8,908.83x = 40,964,464.75
  5. Step 5: Solve for x
    x = 40,964,464.75/8,908.83
  6. Step 6: Final answer
    x = 4,598.19

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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.