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Finding the Fourth Proportional to 5,773.32, 8,659.99 and 4,459

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Solution

The fourth proportional to 5,773.32, 8,659.99 and 4,459 is: 6,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.32 : 8,659.99 = 4,459 : x
  2. Step 2: Convert to fraction form
    5,773.32/8,659.99 = 4,459/x
  3. Step 3: Cross multiply
    5,773.32x = 8,659.99 × 4,459
  4. Step 4: Simplify right side
    5,773.32x = 38,614,895.41
  5. Step 5: Solve for x
    x = 38,614,895.41/5,773.32
  6. Step 6: Final answer
    x = 6,688.51

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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.