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Finding the Fourth Proportional to 5,976.70, 8,926.81 and 5,412.99

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Solution

The fourth proportional to 5,976.70, 8,926.81 and 5,412.99 is: 8,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.70 : 8,926.81 = 5,412.99 : x
  2. Step 2: Convert to fraction form
    5,976.70/8,926.81 = 5,412.99/x
  3. Step 3: Cross multiply
    5,976.70x = 8,926.81 × 5,412.99
  4. Step 4: Simplify right side
    5,976.70x = 48,320,733.26
  5. Step 5: Solve for x
    x = 48,320,733.26/5,976.70
  6. Step 6: Final answer
    x = 8,084.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.