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Finding the Fourth Proportional to 4,793.86, 6,619.13 and 4,717.31

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Solution

The fourth proportional to 4,793.86, 6,619.13 and 4,717.31 is: 6,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.86 : 6,619.13 = 4,717.31 : x
  2. Step 2: Convert to fraction form
    4,793.86/6,619.13 = 4,717.31/x
  3. Step 3: Cross multiply
    4,793.86x = 6,619.13 × 4,717.31
  4. Step 4: Simplify right side
    4,793.86x = 31,224,488.14
  5. Step 5: Solve for x
    x = 31,224,488.14/4,793.86
  6. Step 6: Final answer
    x = 6,513.43

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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.