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Finding the Fourth Proportional to 61,561.26, 84,960.72 and 37,703.70

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Solution

The fourth proportional to 61,561.26, 84,960.72 and 37,703.70 is: 52,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,561.26 : 84,960.72 = 37,703.70 : x
  2. Step 2: Convert to fraction form
    61,561.26/84,960.72 = 37,703.70/x
  3. Step 3: Cross multiply
    61,561.26x = 84,960.72 × 37,703.70
  4. Step 4: Simplify right side
    61,561.26x = 3,203,333,498.66
  5. Step 5: Solve for x
    x = 3,203,333,498.66/61,561.26
  6. Step 6: Final answer
    x = 52,034.89

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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.