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Finding the Fourth Proportional to 62,709.52, 94,067.16 and 15,962.80

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Solution

The fourth proportional to 62,709.52, 94,067.16 and 15,962.80 is: 23,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,709.52 : 94,067.16 = 15,962.80 : x
  2. Step 2: Convert to fraction form
    62,709.52/94,067.16 = 15,962.80/x
  3. Step 3: Cross multiply
    62,709.52x = 94,067.16 × 15,962.80
  4. Step 4: Simplify right side
    62,709.52x = 1,501,575,261.65
  5. Step 5: Solve for x
    x = 1,501,575,261.65/62,709.52
  6. Step 6: Final answer
    x = 23,944.93

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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.