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Finding the Fourth Proportional to 18,101.30, 27,150.60 and 7,568.60

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Solution

The fourth proportional to 18,101.30, 27,150.60 and 7,568.60 is: 11,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.30 : 27,150.60 = 7,568.60 : x
  2. Step 2: Convert to fraction form
    18,101.30/27,150.60 = 7,568.60/x
  3. Step 3: Cross multiply
    18,101.30x = 27,150.60 × 7,568.60
  4. Step 4: Simplify right side
    18,101.30x = 205,492,031.16
  5. Step 5: Solve for x
    x = 205,492,031.16/18,101.30
  6. Step 6: Final answer
    x = 11,352.34

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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.