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Finding the Fourth Proportional to 21,773.52, 32,672.52 and 9,292.35

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Solution

The fourth proportional to 21,773.52, 32,672.52 and 9,292.35 is: 13,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,773.52 : 32,672.52 = 9,292.35 : x
  2. Step 2: Convert to fraction form
    21,773.52/32,672.52 = 9,292.35/x
  3. Step 3: Cross multiply
    21,773.52x = 32,672.52 × 9,292.35
  4. Step 4: Simplify right side
    21,773.52x = 303,604,491.22
  5. Step 5: Solve for x
    x = 303,604,491.22/21,773.52
  6. Step 6: Final answer
    x = 13,943.75

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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.