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Finding the Fourth Proportional to 6,411.95, 8,848.27 and 3,761.11

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Solution

The fourth proportional to 6,411.95, 8,848.27 and 3,761.11 is: 5,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.95 : 8,848.27 = 3,761.11 : x
  2. Step 2: Convert to fraction form
    6,411.95/8,848.27 = 3,761.11/x
  3. Step 3: Cross multiply
    6,411.95x = 8,848.27 × 3,761.11
  4. Step 4: Simplify right side
    6,411.95x = 33,279,316.78
  5. Step 5: Solve for x
    x = 33,279,316.78/6,411.95
  6. Step 6: Final answer
    x = 5,190.20

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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.