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Finding the Fourth Proportional to 6,411.96, 8,848.54 and 3,759.41

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Solution

The fourth proportional to 6,411.96, 8,848.54 and 3,759.41 is: 5,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.96 : 8,848.54 = 3,759.41 : x
  2. Step 2: Convert to fraction form
    6,411.96/8,848.54 = 3,759.41/x
  3. Step 3: Cross multiply
    6,411.96x = 8,848.54 × 3,759.41
  4. Step 4: Simplify right side
    6,411.96x = 33,265,316.58
  5. Step 5: Solve for x
    x = 33,265,316.58/6,411.96
  6. Step 6: Final answer
    x = 5,188.01

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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.