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Finding the Fourth Proportional to 6,451.70, 8,909.49 and 5,837.30

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Solution

The fourth proportional to 6,451.70, 8,909.49 and 5,837.30 is: 8,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.70 : 8,909.49 = 5,837.30 : x
  2. Step 2: Convert to fraction form
    6,451.70/8,909.49 = 5,837.30/x
  3. Step 3: Cross multiply
    6,451.70x = 8,909.49 × 5,837.30
  4. Step 4: Simplify right side
    6,451.70x = 52,007,365.98
  5. Step 5: Solve for x
    x = 52,007,365.98/6,451.70
  6. Step 6: Final answer
    x = 8,061.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.