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Finding the Fourth Proportional to 6,278.41, 8,664.21 and 3,483.91

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Solution

The fourth proportional to 6,278.41, 8,664.21 and 3,483.91 is: 4,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.41 : 8,664.21 = 3,483.91 : x
  2. Step 2: Convert to fraction form
    6,278.41/8,664.21 = 3,483.91/x
  3. Step 3: Cross multiply
    6,278.41x = 8,664.21 × 3,483.91
  4. Step 4: Simplify right side
    6,278.41x = 30,185,327.86
  5. Step 5: Solve for x
    x = 30,185,327.86/6,278.41
  6. Step 6: Final answer
    x = 4,807.80

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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.