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Finding the Fourth Proportional to 61,139.63, 84,377.01 and 33,924.62

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Solution

The fourth proportional to 61,139.63, 84,377.01 and 33,924.62 is: 46,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,139.63 : 84,377.01 = 33,924.62 : x
  2. Step 2: Convert to fraction form
    61,139.63/84,377.01 = 33,924.62/x
  3. Step 3: Cross multiply
    61,139.63x = 84,377.01 × 33,924.62
  4. Step 4: Simplify right side
    61,139.63x = 2,862,457,579.10
  5. Step 5: Solve for x
    x = 2,862,457,579.10/61,139.63
  6. Step 6: Final answer
    x = 46,818.37

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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.