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Finding the Fourth Proportional to 18,277.20, 27,416.52 and 5,965.20

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Solution

The fourth proportional to 18,277.20, 27,416.52 and 5,965.20 is: 8,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.20 : 27,416.52 = 5,965.20 : x
  2. Step 2: Convert to fraction form
    18,277.20/27,416.52 = 5,965.20/x
  3. Step 3: Cross multiply
    18,277.20x = 27,416.52 × 5,965.20
  4. Step 4: Simplify right side
    18,277.20x = 163,545,025.10
  5. Step 5: Solve for x
    x = 163,545,025.10/18,277.20
  6. Step 6: Final answer
    x = 8,948.03

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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.