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Finding the Fourth Proportional to 6,410.81, 8,848.12 and 3,758.22

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Solution

The fourth proportional to 6,410.81, 8,848.12 and 3,758.22 is: 5,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.81 : 8,848.12 = 3,758.22 : x
  2. Step 2: Convert to fraction form
    6,410.81/8,848.12 = 3,758.22/x
  3. Step 3: Cross multiply
    6,410.81x = 8,848.12 × 3,758.22
  4. Step 4: Simplify right side
    6,410.81x = 33,253,219.94
  5. Step 5: Solve for x
    x = 33,253,219.94/6,410.81
  6. Step 6: Final answer
    x = 5,187.05

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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.