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Finding the Fourth Proportional to 18,153.84, 27,232.44 and 7,061.37

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Solution

The fourth proportional to 18,153.84, 27,232.44 and 7,061.37 is: 10,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.84 : 27,232.44 = 7,061.37 : x
  2. Step 2: Convert to fraction form
    18,153.84/27,232.44 = 7,061.37/x
  3. Step 3: Cross multiply
    18,153.84x = 27,232.44 × 7,061.37
  4. Step 4: Simplify right side
    18,153.84x = 192,298,334.84
  5. Step 5: Solve for x
    x = 192,298,334.84/18,153.84
  6. Step 6: Final answer
    x = 10,592.71

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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.