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Finding the Fourth Proportional to 10,787.17, 16,180.95 and 2,995.99

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Solution

The fourth proportional to 10,787.17, 16,180.95 and 2,995.99 is: 4,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.17 : 16,180.95 = 2,995.99 : x
  2. Step 2: Convert to fraction form
    10,787.17/16,180.95 = 2,995.99/x
  3. Step 3: Cross multiply
    10,787.17x = 16,180.95 × 2,995.99
  4. Step 4: Simplify right side
    10,787.17x = 48,477,964.39
  5. Step 5: Solve for x
    x = 48,477,964.39/10,787.17
  6. Step 6: Final answer
    x = 4,494.04

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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.