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Finding the Fourth Proportional to 62,644.92, 93,959.74 and 18,271.71

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Solution

The fourth proportional to 62,644.92, 93,959.74 and 18,271.71 is: 27,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,644.92 : 93,959.74 = 18,271.71 : x
  2. Step 2: Convert to fraction form
    62,644.92/93,959.74 = 18,271.71/x
  3. Step 3: Cross multiply
    62,644.92x = 93,959.74 × 18,271.71
  4. Step 4: Simplify right side
    62,644.92x = 1,716,805,029.60
  5. Step 5: Solve for x
    x = 1,716,805,029.60/62,644.92
  6. Step 6: Final answer
    x = 27,405.34

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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.