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Finding the Fourth Proportional to 63,342.98, 87,399.44 and 37,845.52

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Solution

The fourth proportional to 63,342.98, 87,399.44 and 37,845.52 is: 52,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,342.98 : 87,399.44 = 37,845.52 : x
  2. Step 2: Convert to fraction form
    63,342.98/87,399.44 = 37,845.52/x
  3. Step 3: Cross multiply
    63,342.98x = 87,399.44 × 37,845.52
  4. Step 4: Simplify right side
    63,342.98x = 3,307,677,234.51
  5. Step 5: Solve for x
    x = 3,307,677,234.51/63,342.98
  6. Step 6: Final answer
    x = 52,218.53

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1.5x scale

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.