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Finding the Fourth Proportional to 22,046.88, 30,424.71 and 12,615.46

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Solution

The fourth proportional to 22,046.88, 30,424.71 and 12,615.46 is: 17,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.88 : 30,424.71 = 12,615.46 : x
  2. Step 2: Convert to fraction form
    22,046.88/30,424.71 = 12,615.46/x
  3. Step 3: Cross multiply
    22,046.88x = 30,424.71 × 12,615.46
  4. Step 4: Simplify right side
    22,046.88x = 383,821,712.02
  5. Step 5: Solve for x
    x = 383,821,712.02/22,046.88
  6. Step 6: Final answer
    x = 17,409.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.