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Finding the Fourth Proportional to 18,559.38, 27,840.36 and 7,466.12

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Solution

The fourth proportional to 18,559.38, 27,840.36 and 7,466.12 is: 11,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.38 : 27,840.36 = 7,466.12 : x
  2. Step 2: Convert to fraction form
    18,559.38/27,840.36 = 7,466.12/x
  3. Step 3: Cross multiply
    18,559.38x = 27,840.36 × 7,466.12
  4. Step 4: Simplify right side
    18,559.38x = 207,859,468.60
  5. Step 5: Solve for x
    x = 207,859,468.60/18,559.38
  6. Step 6: Final answer
    x = 11,199.70

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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.