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Finding the Fourth Proportional to 18,501.41, 27,752.06 and 6,655.17

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Solution

The fourth proportional to 18,501.41, 27,752.06 and 6,655.17 is: 9,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.41 : 27,752.06 = 6,655.17 : x
  2. Step 2: Convert to fraction form
    18,501.41/27,752.06 = 6,655.17/x
  3. Step 3: Cross multiply
    18,501.41x = 27,752.06 × 6,655.17
  4. Step 4: Simplify right side
    18,501.41x = 184,694,538.39
  5. Step 5: Solve for x
    x = 184,694,538.39/18,501.41
  6. Step 6: Final answer
    x = 9,982.73

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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.