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Finding the Fourth Proportional to 55,874.48, 83,793.89 and 18,427.57

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Solution

The fourth proportional to 55,874.48, 83,793.89 and 18,427.57 is: 27,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874.48 : 83,793.89 = 18,427.57 : x
  2. Step 2: Convert to fraction form
    55,874.48/83,793.89 = 18,427.57/x
  3. Step 3: Cross multiply
    55,874.48x = 83,793.89 × 18,427.57
  4. Step 4: Simplify right side
    55,874.48x = 1,544,117,610.13
  5. Step 5: Solve for x
    x = 1,544,117,610.13/55,874.48
  6. Step 6: Final answer
    x = 27,635.47

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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.