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Finding the Fourth Proportional to 18,150.56, 27,232.88 and 7,065.04

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Solution

The fourth proportional to 18,150.56, 27,232.88 and 7,065.04 is: 10,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.56 : 27,232.88 = 7,065.04 : x
  2. Step 2: Convert to fraction form
    18,150.56/27,232.88 = 7,065.04/x
  3. Step 3: Cross multiply
    18,150.56x = 27,232.88 × 7,065.04
  4. Step 4: Simplify right side
    18,150.56x = 192,401,386.52
  5. Step 5: Solve for x
    x = 192,401,386.52/18,150.56
  6. Step 6: Final answer
    x = 10,600.30

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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.