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Finding the Fourth Proportional to 22,603.39, 31,194.53 and 12,534.99

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Solution

The fourth proportional to 22,603.39, 31,194.53 and 12,534.99 is: 17,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.39 : 31,194.53 = 12,534.99 : x
  2. Step 2: Convert to fraction form
    22,603.39/31,194.53 = 12,534.99/x
  3. Step 3: Cross multiply
    22,603.39x = 31,194.53 × 12,534.99
  4. Step 4: Simplify right side
    22,603.39x = 391,022,980.94
  5. Step 5: Solve for x
    x = 391,022,980.94/22,603.39
  6. Step 6: Final answer
    x = 17,299.31

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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.