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Finding the Fourth Proportional to 61,863.74, 85,373.84 and 36,365.42

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Solution

The fourth proportional to 61,863.74, 85,373.84 and 36,365.42 is: 50,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.74 : 85,373.84 = 36,365.42 : x
  2. Step 2: Convert to fraction form
    61,863.74/85,373.84 = 36,365.42/x
  3. Step 3: Cross multiply
    61,863.74x = 85,373.84 × 36,365.42
  4. Step 4: Simplify right side
    61,863.74x = 3,104,654,939.92
  5. Step 5: Solve for x
    x = 3,104,654,939.92/61,863.74
  6. Step 6: Final answer
    x = 50,185.38

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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.