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Finding the Fourth Proportional to 11,089.95, 16,640.12 and 4,849.16

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Solution

The fourth proportional to 11,089.95, 16,640.12 and 4,849.16 is: 7,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.95 : 16,640.12 = 4,849.16 : x
  2. Step 2: Convert to fraction form
    11,089.95/16,640.12 = 4,849.16/x
  3. Step 3: Cross multiply
    11,089.95x = 16,640.12 × 4,849.16
  4. Step 4: Simplify right side
    11,089.95x = 80,690,604.30
  5. Step 5: Solve for x
    x = 80,690,604.30/11,089.95
  6. Step 6: Final answer
    x = 7,276.01

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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.