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Finding the Fourth Proportional to 12,579.32, 18,840.22 and 6,010.12

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Solution

The fourth proportional to 12,579.32, 18,840.22 and 6,010.12 is: 9,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.32 : 18,840.22 = 6,010.12 : x
  2. Step 2: Convert to fraction form
    12,579.32/18,840.22 = 6,010.12/x
  3. Step 3: Cross multiply
    12,579.32x = 18,840.22 × 6,010.12
  4. Step 4: Simplify right side
    12,579.32x = 113,231,983.03
  5. Step 5: Solve for x
    x = 113,231,983.03/12,579.32
  6. Step 6: Final answer
    x = 9,001.44

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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.