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Finding the Fourth Proportional to 6,412.14, 8,848.17 and 3,759.03

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Solution

The fourth proportional to 6,412.14, 8,848.17 and 3,759.03 is: 5,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.14 : 8,848.17 = 3,759.03 : x
  2. Step 2: Convert to fraction form
    6,412.14/8,848.17 = 3,759.03/x
  3. Step 3: Cross multiply
    6,412.14x = 8,848.17 × 3,759.03
  4. Step 4: Simplify right side
    6,412.14x = 33,260,536.48
  5. Step 5: Solve for x
    x = 33,260,536.48/6,412.14
  6. Step 6: Final answer
    x = 5,187.12

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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.