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Finding the Fourth Proportional to 16,365.13, 22,583.88 and 8,913.13

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Solution

The fourth proportional to 16,365.13, 22,583.88 and 8,913.13 is: 12,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,365.13 : 22,583.88 = 8,913.13 : x
  2. Step 2: Convert to fraction form
    16,365.13/22,583.88 = 8,913.13/x
  3. Step 3: Cross multiply
    16,365.13x = 22,583.88 × 8,913.13
  4. Step 4: Simplify right side
    16,365.13x = 201,292,945.43
  5. Step 5: Solve for x
    x = 201,292,945.43/16,365.13
  6. Step 6: Final answer
    x = 12,300.12

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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.