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Finding the Fourth Proportional to 18,298.94, 27,449.08 and 5,819.36

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Solution

The fourth proportional to 18,298.94, 27,449.08 and 5,819.36 is: 8,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.94 : 27,449.08 = 5,819.36 : x
  2. Step 2: Convert to fraction form
    18,298.94/27,449.08 = 5,819.36/x
  3. Step 3: Cross multiply
    18,298.94x = 27,449.08 × 5,819.36
  4. Step 4: Simplify right side
    18,298.94x = 159,735,926.40
  5. Step 5: Solve for x
    x = 159,735,926.40/18,298.94
  6. Step 6: Final answer
    x = 8,729.25

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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.