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Finding the Fourth Proportional to 45,911.61, 68,866.61 and 26,148.02

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Solution

The fourth proportional to 45,911.61, 68,866.61 and 26,148.02 is: 39,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,911.61 : 68,866.61 = 26,148.02 : x
  2. Step 2: Convert to fraction form
    45,911.61/68,866.61 = 26,148.02/x
  3. Step 3: Cross multiply
    45,911.61x = 68,866.61 × 26,148.02
  4. Step 4: Simplify right side
    45,911.61x = 1,800,725,020.54
  5. Step 5: Solve for x
    x = 1,800,725,020.54/45,911.61
  6. Step 6: Final answer
    x = 39,221.56

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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.