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Finding the Fourth Proportional to 5,486.94, 7,572.26 and 3,064.64

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Solution

The fourth proportional to 5,486.94, 7,572.26 and 3,064.64 is: 4,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.94 : 7,572.26 = 3,064.64 : x
  2. Step 2: Convert to fraction form
    5,486.94/7,572.26 = 3,064.64/x
  3. Step 3: Cross multiply
    5,486.94x = 7,572.26 × 3,064.64
  4. Step 4: Simplify right side
    5,486.94x = 23,206,197.70
  5. Step 5: Solve for x
    x = 23,206,197.70/5,486.94
  6. Step 6: Final answer
    x = 4,229.35

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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.