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Finding the Fourth Proportional to 62,889.81, 86,794.30 and 36,035.88

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Solution

The fourth proportional to 62,889.81, 86,794.30 and 36,035.88 is: 49,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.81 : 86,794.30 = 36,035.88 : x
  2. Step 2: Convert to fraction form
    62,889.81/86,794.30 = 36,035.88/x
  3. Step 3: Cross multiply
    62,889.81x = 86,794.30 × 36,035.88
  4. Step 4: Simplify right side
    62,889.81x = 3,127,708,979.48
  5. Step 5: Solve for x
    x = 3,127,708,979.48/62,889.81
  6. Step 6: Final answer
    x = 49,733.16

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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.