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Finding the Fourth Proportional to 5,373, 8,056.53 and 3,617.91

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Solution

The fourth proportional to 5,373, 8,056.53 and 3,617.91 is: 5,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373 : 8,056.53 = 3,617.91 : x
  2. Step 2: Convert to fraction form
    5,373/8,056.53 = 3,617.91/x
  3. Step 3: Cross multiply
    5,373x = 8,056.53 × 3,617.91
  4. Step 4: Simplify right side
    5,373x = 29,147,800.45
  5. Step 5: Solve for x
    x = 29,147,800.45/5,373
  6. Step 6: Final answer
    x = 5,424.87

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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.