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Finding the Fourth Proportional to 5,776.36, 8,619.16 and 5,423.70

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Solution

The fourth proportional to 5,776.36, 8,619.16 and 5,423.70 is: 8,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.36 : 8,619.16 = 5,423.70 : x
  2. Step 2: Convert to fraction form
    5,776.36/8,619.16 = 5,423.70/x
  3. Step 3: Cross multiply
    5,776.36x = 8,619.16 × 5,423.70
  4. Step 4: Simplify right side
    5,776.36x = 46,747,738.09
  5. Step 5: Solve for x
    x = 46,747,738.09/5,776.36
  6. Step 6: Final answer
    x = 8,092.94

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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.