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Finding the Fourth Proportional to 61,753.51, 85,186.97 and 37,561.87

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Solution

The fourth proportional to 61,753.51, 85,186.97 and 37,561.87 is: 51,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,753.51 : 85,186.97 = 37,561.87 : x
  2. Step 2: Convert to fraction form
    61,753.51/85,186.97 = 37,561.87/x
  3. Step 3: Cross multiply
    61,753.51x = 85,186.97 × 37,561.87
  4. Step 4: Simplify right side
    61,753.51x = 3,199,781,705.02
  5. Step 5: Solve for x
    x = 3,199,781,705.02/61,753.51
  6. Step 6: Final answer
    x = 51,815.39

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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.