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Finding the Fourth Proportional to 23,292, 34,768.88 and 21,557.36

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Solution

The fourth proportional to 23,292, 34,768.88 and 21,557.36 is: 32,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,292 : 34,768.88 = 21,557.36 : x
  2. Step 2: Convert to fraction form
    23,292/34,768.88 = 21,557.36/x
  3. Step 3: Cross multiply
    23,292x = 34,768.88 × 21,557.36
  4. Step 4: Simplify right side
    23,292x = 749,525,262.96
  5. Step 5: Solve for x
    x = 749,525,262.96/23,292
  6. Step 6: Final answer
    x = 32,179.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.