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Finding the Fourth Proportional to 35,488.58, 53,221.91 and 11,791.08

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Solution

The fourth proportional to 35,488.58, 53,221.91 and 11,791.08 is: 17,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,488.58 : 53,221.91 = 11,791.08 : x
  2. Step 2: Convert to fraction form
    35,488.58/53,221.91 = 11,791.08/x
  3. Step 3: Cross multiply
    35,488.58x = 53,221.91 × 11,791.08
  4. Step 4: Simplify right side
    35,488.58x = 627,543,739.61
  5. Step 5: Solve for x
    x = 627,543,739.61/35,488.58
  6. Step 6: Final answer
    x = 17,682.98

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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.