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Finding the Fourth Proportional to 6,126, 8,454.06 and 3,331.68

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Solution

The fourth proportional to 6,126, 8,454.06 and 3,331.68 is: 4,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126 : 8,454.06 = 3,331.68 : x
  2. Step 2: Convert to fraction form
    6,126/8,454.06 = 3,331.68/x
  3. Step 3: Cross multiply
    6,126x = 8,454.06 × 3,331.68
  4. Step 4: Simplify right side
    6,126x = 28,166,222.62
  5. Step 5: Solve for x
    x = 28,166,222.62/6,126
  6. Step 6: Final answer
    x = 4,597.82

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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.