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Finding the Fourth Proportional to 63,837.99, 88,109.78 and 38,345.54

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Solution

The fourth proportional to 63,837.99, 88,109.78 and 38,345.54 is: 52,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,837.99 : 88,109.78 = 38,345.54 : x
  2. Step 2: Convert to fraction form
    63,837.99/88,109.78 = 38,345.54/x
  3. Step 3: Cross multiply
    63,837.99x = 88,109.78 × 38,345.54
  4. Step 4: Simplify right side
    63,837.99x = 3,378,616,461.10
  5. Step 5: Solve for x
    x = 3,378,616,461.10/63,837.99
  6. Step 6: Final answer
    x = 52,924.86

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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.