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Finding the Fourth Proportional to 8,998.10, 13,492.63 and 5,251.16

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Solution

The fourth proportional to 8,998.10, 13,492.63 and 5,251.16 is: 7,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.10 : 13,492.63 = 5,251.16 : x
  2. Step 2: Convert to fraction form
    8,998.10/13,492.63 = 5,251.16/x
  3. Step 3: Cross multiply
    8,998.10x = 13,492.63 × 5,251.16
  4. Step 4: Simplify right side
    8,998.10x = 70,851,878.36
  5. Step 5: Solve for x
    x = 70,851,878.36/8,998.10
  6. Step 6: Final answer
    x = 7,874.09

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Why These Related Problems?

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