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Finding the Fourth Proportional to 8,369.84, 12,551.84 and 2,445.08

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Solution

The fourth proportional to 8,369.84, 12,551.84 and 2,445.08 is: 3,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.84 : 12,551.84 = 2,445.08 : x
  2. Step 2: Convert to fraction form
    8,369.84/12,551.84 = 2,445.08/x
  3. Step 3: Cross multiply
    8,369.84x = 12,551.84 × 2,445.08
  4. Step 4: Simplify right side
    8,369.84x = 30,690,252.95
  5. Step 5: Solve for x
    x = 30,690,252.95/8,369.84
  6. Step 6: Final answer
    x = 3,666.77

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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.