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Finding the Fourth Proportional to 18,272.58, 27,408.93 and 6,586.71

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Solution

The fourth proportional to 18,272.58, 27,408.93 and 6,586.71 is: 9,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.58 : 27,408.93 = 6,586.71 : x
  2. Step 2: Convert to fraction form
    18,272.58/27,408.93 = 6,586.71/x
  3. Step 3: Cross multiply
    18,272.58x = 27,408.93 × 6,586.71
  4. Step 4: Simplify right side
    18,272.58x = 180,534,673.32
  5. Step 5: Solve for x
    x = 180,534,673.32/18,272.58
  6. Step 6: Final answer
    x = 9,880.09

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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.