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Finding the Fourth Proportional to 18,381.02, 27,566.06 and 6,691.50

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Solution

The fourth proportional to 18,381.02, 27,566.06 and 6,691.50 is: 10,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.02 : 27,566.06 = 6,691.50 : x
  2. Step 2: Convert to fraction form
    18,381.02/27,566.06 = 6,691.50/x
  3. Step 3: Cross multiply
    18,381.02x = 27,566.06 × 6,691.50
  4. Step 4: Simplify right side
    18,381.02x = 184,458,257.03
  5. Step 5: Solve for x
    x = 184,458,257.03/18,381.02
  6. Step 6: Final answer
    x = 10,035.26

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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.