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Finding the Fourth Proportional to 18,187.86, 27,282.34 and 7,094.10

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Solution

The fourth proportional to 18,187.86, 27,282.34 and 7,094.10 is: 10,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.86 : 27,282.34 = 7,094.10 : x
  2. Step 2: Convert to fraction form
    18,187.86/27,282.34 = 7,094.10/x
  3. Step 3: Cross multiply
    18,187.86x = 27,282.34 × 7,094.10
  4. Step 4: Simplify right side
    18,187.86x = 193,543,648.19
  5. Step 5: Solve for x
    x = 193,543,648.19/18,187.86
  6. Step 6: Final answer
    x = 10,641.36

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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.