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Finding the Fourth Proportional to 62,750.88, 94,126.35 and 39,393.72

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Solution

The fourth proportional to 62,750.88, 94,126.35 and 39,393.72 is: 59,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,750.88 : 94,126.35 = 39,393.72 : x
  2. Step 2: Convert to fraction form
    62,750.88/94,126.35 = 39,393.72/x
  3. Step 3: Cross multiply
    62,750.88x = 94,126.35 × 39,393.72
  4. Step 4: Simplify right side
    62,750.88x = 3,707,987,076.52
  5. Step 5: Solve for x
    x = 3,707,987,076.52/62,750.88
  6. Step 6: Final answer
    x = 59,090.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.