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Finding the Fourth Proportional to 5,776.92, 7,950.96 and 5,027.40

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Solution

The fourth proportional to 5,776.92, 7,950.96 and 5,027.40 is: 6,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.92 : 7,950.96 = 5,027.40 : x
  2. Step 2: Convert to fraction form
    5,776.92/7,950.96 = 5,027.40/x
  3. Step 3: Cross multiply
    5,776.92x = 7,950.96 × 5,027.40
  4. Step 4: Simplify right side
    5,776.92x = 39,972,656.30
  5. Step 5: Solve for x
    x = 39,972,656.30/5,776.92
  6. Step 6: Final answer
    x = 6,919.37

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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.