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Finding the Fourth Proportional to 5,373.70, 8,051.91 and 4,509.70

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Solution

The fourth proportional to 5,373.70, 8,051.91 and 4,509.70 is: 6,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.70 : 8,051.91 = 4,509.70 : x
  2. Step 2: Convert to fraction form
    5,373.70/8,051.91 = 4,509.70/x
  3. Step 3: Cross multiply
    5,373.70x = 8,051.91 × 4,509.70
  4. Step 4: Simplify right side
    5,373.70x = 36,311,698.53
  5. Step 5: Solve for x
    x = 36,311,698.53/5,373.70
  6. Step 6: Final answer
    x = 6,757.30

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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.