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Finding the Fourth Proportional to 18,466.24, 27,699.12 and 6,154.24

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Solution

The fourth proportional to 18,466.24, 27,699.12 and 6,154.24 is: 9,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.24 : 27,699.12 = 6,154.24 : x
  2. Step 2: Convert to fraction form
    18,466.24/27,699.12 = 6,154.24/x
  3. Step 3: Cross multiply
    18,466.24x = 27,699.12 × 6,154.24
  4. Step 4: Simplify right side
    18,466.24x = 170,467,032.27
  5. Step 5: Solve for x
    x = 170,467,032.27/18,466.24
  6. Step 6: Final answer
    x = 9,231.28

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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.