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Finding the Fourth Proportional to 18,153.59, 27,232.07 and 7,061.12

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Solution

The fourth proportional to 18,153.59, 27,232.07 and 7,061.12 is: 10,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.59 : 27,232.07 = 7,061.12 : x
  2. Step 2: Convert to fraction form
    18,153.59/27,232.07 = 7,061.12/x
  3. Step 3: Cross multiply
    18,153.59x = 27,232.07 × 7,061.12
  4. Step 4: Simplify right side
    18,153.59x = 192,288,878.81
  5. Step 5: Solve for x
    x = 192,288,878.81/18,153.59
  6. Step 6: Final answer
    x = 10,592.33

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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.