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Finding the Fourth Proportional to 61,052.70, 84,262.95 and 37,188.66

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Solution

The fourth proportional to 61,052.70, 84,262.95 and 37,188.66 is: 51,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,052.70 : 84,262.95 = 37,188.66 : x
  2. Step 2: Convert to fraction form
    61,052.70/84,262.95 = 37,188.66/x
  3. Step 3: Cross multiply
    61,052.70x = 84,262.95 × 37,188.66
  4. Step 4: Simplify right side
    61,052.70x = 3,133,626,198.15
  5. Step 5: Solve for x
    x = 3,133,626,198.15/61,052.70
  6. Step 6: Final answer
    x = 51,326.58

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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.