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Finding the Fourth Proportional to 56,603.88, 84,920.40 and 21,546.27

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Solution

The fourth proportional to 56,603.88, 84,920.40 and 21,546.27 is: 32,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,603.88 : 84,920.40 = 21,546.27 : x
  2. Step 2: Convert to fraction form
    56,603.88/84,920.40 = 21,546.27/x
  3. Step 3: Cross multiply
    56,603.88x = 84,920.40 × 21,546.27
  4. Step 4: Simplify right side
    56,603.88x = 1,829,717,866.91
  5. Step 5: Solve for x
    x = 1,829,717,866.91/56,603.88
  6. Step 6: Final answer
    x = 32,324.95

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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.