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Finding the Fourth Proportional to 22,704.88, 31,332.30 and 12,632.98

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Solution

The fourth proportional to 22,704.88, 31,332.30 and 12,632.98 is: 17,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.88 : 31,332.30 = 12,632.98 : x
  2. Step 2: Convert to fraction form
    22,704.88/31,332.30 = 12,632.98/x
  3. Step 3: Cross multiply
    22,704.88x = 31,332.30 × 12,632.98
  4. Step 4: Simplify right side
    22,704.88x = 395,820,319.25
  5. Step 5: Solve for x
    x = 395,820,319.25/22,704.88
  6. Step 6: Final answer
    x = 17,433.27

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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.