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Finding the Fourth Proportional to 4,782.86, 6,600.29 and 2,793.72

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Solution

The fourth proportional to 4,782.86, 6,600.29 and 2,793.72 is: 3,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.86 : 6,600.29 = 2,793.72 : x
  2. Step 2: Convert to fraction form
    4,782.86/6,600.29 = 2,793.72/x
  3. Step 3: Cross multiply
    4,782.86x = 6,600.29 × 2,793.72
  4. Step 4: Simplify right side
    4,782.86x = 18,439,362.18
  5. Step 5: Solve for x
    x = 18,439,362.18/4,782.86
  6. Step 6: Final answer
    x = 3,855.30

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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.