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Finding the Fourth Proportional to 5,656.95, 8,486.91 and 1,708.11

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Solution

The fourth proportional to 5,656.95, 8,486.91 and 1,708.11 is: 2,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.95 : 8,486.91 = 1,708.11 : x
  2. Step 2: Convert to fraction form
    5,656.95/8,486.91 = 1,708.11/x
  3. Step 3: Cross multiply
    5,656.95x = 8,486.91 × 1,708.11
  4. Step 4: Simplify right side
    5,656.95x = 14,496,575.84
  5. Step 5: Solve for x
    x = 14,496,575.84/5,656.95
  6. Step 6: Final answer
    x = 2,562.61

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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.