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Finding the Fourth Proportional to 8,974.53, 12,384.41 and 4,995.99

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Solution

The fourth proportional to 8,974.53, 12,384.41 and 4,995.99 is: 6,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.53 : 12,384.41 = 4,995.99 : x
  2. Step 2: Convert to fraction form
    8,974.53/12,384.41 = 4,995.99/x
  3. Step 3: Cross multiply
    8,974.53x = 12,384.41 × 4,995.99
  4. Step 4: Simplify right side
    8,974.53x = 61,872,363.54
  5. Step 5: Solve for x
    x = 61,872,363.54/8,974.53
  6. Step 6: Final answer
    x = 6,894.22

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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.