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Finding the Fourth Proportional to 61,949.34, 85,489.83 and 33,655.23

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Solution

The fourth proportional to 61,949.34, 85,489.83 and 33,655.23 is: 46,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.34 : 85,489.83 = 33,655.23 : x
  2. Step 2: Convert to fraction form
    61,949.34/85,489.83 = 33,655.23/x
  3. Step 3: Cross multiply
    61,949.34x = 85,489.83 × 33,655.23
  4. Step 4: Simplify right side
    61,949.34x = 2,877,179,891.31
  5. Step 5: Solve for x
    x = 2,877,179,891.31/61,949.34
  6. Step 6: Final answer
    x = 46,444.08

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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.