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Finding the Fourth Proportional to 6,165.65, 8,508.60 and 3,513.12

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Solution

The fourth proportional to 6,165.65, 8,508.60 and 3,513.12 is: 4,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.65 : 8,508.60 = 3,513.12 : x
  2. Step 2: Convert to fraction form
    6,165.65/8,508.60 = 3,513.12/x
  3. Step 3: Cross multiply
    6,165.65x = 8,508.60 × 3,513.12
  4. Step 4: Simplify right side
    6,165.65x = 29,891,732.83
  5. Step 5: Solve for x
    x = 29,891,732.83/6,165.65
  6. Step 6: Final answer
    x = 4,848.11

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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.