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Finding the Fourth Proportional to 34,992, 48,296.64 and 21,751.68

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Solution

The fourth proportional to 34,992, 48,296.64 and 21,751.68 is: 30,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,992 : 48,296.64 = 21,751.68 : x
  2. Step 2: Convert to fraction form
    34,992/48,296.64 = 21,751.68/x
  3. Step 3: Cross multiply
    34,992x = 48,296.64 × 21,751.68
  4. Step 4: Simplify right side
    34,992x = 1,050,533,058.36
  5. Step 5: Solve for x
    x = 1,050,533,058.36/34,992
  6. Step 6: Final answer
    x = 30,022.09

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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.