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Finding the Fourth Proportional to 6,992.84, 10,480.08 and 3,088.64

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Solution

The fourth proportional to 6,992.84, 10,480.08 and 3,088.64 is: 4,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.84 : 10,480.08 = 3,088.64 : x
  2. Step 2: Convert to fraction form
    6,992.84/10,480.08 = 3,088.64/x
  3. Step 3: Cross multiply
    6,992.84x = 10,480.08 × 3,088.64
  4. Step 4: Simplify right side
    6,992.84x = 32,369,194.29
  5. Step 5: Solve for x
    x = 32,369,194.29/6,992.84
  6. Step 6: Final answer
    x = 4,628.91

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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.