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Finding the Fourth Proportional to 10,002.08, 14,979.77 and 7,908.02

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Solution

The fourth proportional to 10,002.08, 14,979.77 and 7,908.02 is: 11,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.08 : 14,979.77 = 7,908.02 : x
  2. Step 2: Convert to fraction form
    10,002.08/14,979.77 = 7,908.02/x
  3. Step 3: Cross multiply
    10,002.08x = 14,979.77 × 7,908.02
  4. Step 4: Simplify right side
    10,002.08x = 118,460,281.22
  5. Step 5: Solve for x
    x = 118,460,281.22/10,002.08
  6. Step 6: Final answer
    x = 11,843.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.