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Finding the Fourth Proportional to 5,610.63, 8,398.16 and 3,137.95

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Solution

The fourth proportional to 5,610.63, 8,398.16 and 3,137.95 is: 4,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.63 : 8,398.16 = 3,137.95 : x
  2. Step 2: Convert to fraction form
    5,610.63/8,398.16 = 3,137.95/x
  3. Step 3: Cross multiply
    5,610.63x = 8,398.16 × 3,137.95
  4. Step 4: Simplify right side
    5,610.63x = 26,353,006.17
  5. Step 5: Solve for x
    x = 26,353,006.17/5,610.63
  6. Step 6: Final answer
    x = 4,696.98

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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.