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Finding the Fourth Proportional to 62,296.78, 93,441.90 and 17,921.80

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Solution

The fourth proportional to 62,296.78, 93,441.90 and 17,921.80 is: 26,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,296.78 : 93,441.90 = 17,921.80 : x
  2. Step 2: Convert to fraction form
    62,296.78/93,441.90 = 17,921.80/x
  3. Step 3: Cross multiply
    62,296.78x = 93,441.90 × 17,921.80
  4. Step 4: Simplify right side
    62,296.78x = 1,674,647,043.42
  5. Step 5: Solve for x
    x = 1,674,647,043.42/62,296.78
  6. Step 6: Final answer
    x = 26,881.76

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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.