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Finding the Fourth Proportional to 61,758.51, 85,227.41 and 36,265.18

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Solution

The fourth proportional to 61,758.51, 85,227.41 and 36,265.18 is: 50,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,758.51 : 85,227.41 = 36,265.18 : x
  2. Step 2: Convert to fraction form
    61,758.51/85,227.41 = 36,265.18/x
  3. Step 3: Cross multiply
    61,758.51x = 85,227.41 × 36,265.18
  4. Step 4: Simplify right side
    61,758.51x = 3,090,787,401.98
  5. Step 5: Solve for x
    x = 3,090,787,401.98/61,758.51
  6. Step 6: Final answer
    x = 50,046.34

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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.