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Finding the Fourth Proportional to 16,387.00, 22,615.99 and 9,314.48

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Solution

The fourth proportional to 16,387.00, 22,615.99 and 9,314.48 is: 12,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.00 : 22,615.99 = 9,314.48 : x
  2. Step 2: Convert to fraction form
    16,387.00/22,615.99 = 9,314.48/x
  3. Step 3: Cross multiply
    16,387.00x = 22,615.99 × 9,314.48
  4. Step 4: Simplify right side
    16,387.00x = 210,656,219.79
  5. Step 5: Solve for x
    x = 210,656,219.79/16,387.00
  6. Step 6: Final answer
    x = 12,855.08

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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.