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Finding the Fourth Proportional to 18,224.31, 27,334.44 and 4,898.45

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Solution

The fourth proportional to 18,224.31, 27,334.44 and 4,898.45 is: 7,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.31 : 27,334.44 = 4,898.45 : x
  2. Step 2: Convert to fraction form
    18,224.31/27,334.44 = 4,898.45/x
  3. Step 3: Cross multiply
    18,224.31x = 27,334.44 × 4,898.45
  4. Step 4: Simplify right side
    18,224.31x = 133,896,250.95
  5. Step 5: Solve for x
    x = 133,896,250.95/18,224.31
  6. Step 6: Final answer
    x = 7,347.12

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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.