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Finding the Fourth Proportional to 18,400.96, 27,579.52 and 6,700.60

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Solution

The fourth proportional to 18,400.96, 27,579.52 and 6,700.60 is: 10,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.96 : 27,579.52 = 6,700.60 : x
  2. Step 2: Convert to fraction form
    18,400.96/27,579.52 = 6,700.60/x
  3. Step 3: Cross multiply
    18,400.96x = 27,579.52 × 6,700.60
  4. Step 4: Simplify right side
    18,400.96x = 184,799,331.71
  5. Step 5: Solve for x
    x = 184,799,331.71/18,400.96
  6. Step 6: Final answer
    x = 10,042.92

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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.