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Finding the Fourth Proportional to 8,359.96, 12,536.16 and 2,516.90

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Solution

The fourth proportional to 8,359.96, 12,536.16 and 2,516.90 is: 3,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.96 : 12,536.16 = 2,516.90 : x
  2. Step 2: Convert to fraction form
    8,359.96/12,536.16 = 2,516.90/x
  3. Step 3: Cross multiply
    8,359.96x = 12,536.16 × 2,516.90
  4. Step 4: Simplify right side
    8,359.96x = 31,552,261.10
  5. Step 5: Solve for x
    x = 31,552,261.10/8,359.96
  6. Step 6: Final answer
    x = 3,774.21

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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.