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Finding the Fourth Proportional to 69,608.72, 96,060.08 and 37,777.61

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Solution

The fourth proportional to 69,608.72, 96,060.08 and 37,777.61 is: 52,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,608.72 : 96,060.08 = 37,777.61 : x
  2. Step 2: Convert to fraction form
    69,608.72/96,060.08 = 37,777.61/x
  3. Step 3: Cross multiply
    69,608.72x = 96,060.08 × 37,777.61
  4. Step 4: Simplify right side
    69,608.72x = 3,628,920,290.07
  5. Step 5: Solve for x
    x = 3,628,920,290.07/69,608.72
  6. Step 6: Final answer
    x = 52,133.13

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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.