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Finding the Fourth Proportional to 8,797.10, 13,196.51 and 2,557.16

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Solution

The fourth proportional to 8,797.10, 13,196.51 and 2,557.16 is: 3,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.10 : 13,196.51 = 2,557.16 : x
  2. Step 2: Convert to fraction form
    8,797.10/13,196.51 = 2,557.16/x
  3. Step 3: Cross multiply
    8,797.10x = 13,196.51 × 2,557.16
  4. Step 4: Simplify right side
    8,797.10x = 33,745,508.74
  5. Step 5: Solve for x
    x = 33,745,508.74/8,797.10
  6. Step 6: Final answer
    x = 3,835.98

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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.