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Finding the Fourth Proportional to 12,324.75, 18,490.16 and 4,927.22

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Solution

The fourth proportional to 12,324.75, 18,490.16 and 4,927.22 is: 7,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.75 : 18,490.16 = 4,927.22 : x
  2. Step 2: Convert to fraction form
    12,324.75/18,490.16 = 4,927.22/x
  3. Step 3: Cross multiply
    12,324.75x = 18,490.16 × 4,927.22
  4. Step 4: Simplify right side
    12,324.75x = 91,105,086.16
  5. Step 5: Solve for x
    x = 91,105,086.16/12,324.75
  6. Step 6: Final answer
    x = 7,392.04

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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.