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Finding the Fourth Proportional to 6,157.78, 8,497.77 and 3,363.46

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Solution

The fourth proportional to 6,157.78, 8,497.77 and 3,363.46 is: 4,641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.78 : 8,497.77 = 3,363.46 : x
  2. Step 2: Convert to fraction form
    6,157.78/8,497.77 = 3,363.46/x
  3. Step 3: Cross multiply
    6,157.78x = 8,497.77 × 3,363.46
  4. Step 4: Simplify right side
    6,157.78x = 28,581,909.48
  5. Step 5: Solve for x
    x = 28,581,909.48/6,157.78
  6. Step 6: Final answer
    x = 4,641.59

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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.