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Finding the Fourth Proportional to 38,793.67, 53,541.35 and 22,879.87

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Solution

The fourth proportional to 38,793.67, 53,541.35 and 22,879.87 is: 31,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.67 : 53,541.35 = 22,879.87 : x
  2. Step 2: Convert to fraction form
    38,793.67/53,541.35 = 22,879.87/x
  3. Step 3: Cross multiply
    38,793.67x = 53,541.35 × 22,879.87
  4. Step 4: Simplify right side
    38,793.67x = 1,225,019,127.62
  5. Step 5: Solve for x
    x = 1,225,019,127.62/38,793.67
  6. Step 6: Final answer
    x = 31,577.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.