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Finding the Fourth Proportional to 61,857.95, 92,786.94 and 35,545.91

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Solution

The fourth proportional to 61,857.95, 92,786.94 and 35,545.91 is: 53,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.95 : 92,786.94 = 35,545.91 : x
  2. Step 2: Convert to fraction form
    61,857.95/92,786.94 = 35,545.91/x
  3. Step 3: Cross multiply
    61,857.95x = 92,786.94 × 35,545.91
  4. Step 4: Simplify right side
    61,857.95x = 3,298,195,754.48
  5. Step 5: Solve for x
    x = 3,298,195,754.48/61,857.95
  6. Step 6: Final answer
    x = 53,318.87

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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.