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Finding the Fourth Proportional to 18,282.59, 27,405.41 and 7,197.05

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Solution

The fourth proportional to 18,282.59, 27,405.41 and 7,197.05 is: 10,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.59 : 27,405.41 = 7,197.05 : x
  2. Step 2: Convert to fraction form
    18,282.59/27,405.41 = 7,197.05/x
  3. Step 3: Cross multiply
    18,282.59x = 27,405.41 × 7,197.05
  4. Step 4: Simplify right side
    18,282.59x = 197,238,199.29
  5. Step 5: Solve for x
    x = 197,238,199.29/18,282.59
  6. Step 6: Final answer
    x = 10,788.31

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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.