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Finding the Fourth Proportional to 61,494.97, 84,834.05 and 35,985.54

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Solution

The fourth proportional to 61,494.97, 84,834.05 and 35,985.54 is: 49,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,494.97 : 84,834.05 = 35,985.54 : x
  2. Step 2: Convert to fraction form
    61,494.97/84,834.05 = 35,985.54/x
  3. Step 3: Cross multiply
    61,494.97x = 84,834.05 × 35,985.54
  4. Step 4: Simplify right side
    61,494.97x = 3,052,798,919.71
  5. Step 5: Solve for x
    x = 3,052,798,919.71/61,494.97
  6. Step 6: Final answer
    x = 49,643.07

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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.