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Finding the Fourth Proportional to 63,357.07, 87,424.09 and 37,858.02

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Solution

The fourth proportional to 63,357.07, 87,424.09 and 37,858.02 is: 52,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,357.07 : 87,424.09 = 37,858.02 : x
  2. Step 2: Convert to fraction form
    63,357.07/87,424.09 = 37,858.02/x
  3. Step 3: Cross multiply
    63,357.07x = 87,424.09 × 37,858.02
  4. Step 4: Simplify right side
    63,357.07x = 3,309,702,947.70
  5. Step 5: Solve for x
    x = 3,309,702,947.70/63,357.07
  6. Step 6: Final answer
    x = 52,238.89

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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.