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Finding the Fourth Proportional to 6,127.13, 8,455.13 and 3,474.47

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Solution

The fourth proportional to 6,127.13, 8,455.13 and 3,474.47 is: 4,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.13 : 8,455.13 = 3,474.47 : x
  2. Step 2: Convert to fraction form
    6,127.13/8,455.13 = 3,474.47/x
  3. Step 3: Cross multiply
    6,127.13x = 8,455.13 × 3,474.47
  4. Step 4: Simplify right side
    6,127.13x = 29,377,095.53
  5. Step 5: Solve for x
    x = 29,377,095.53/6,127.13
  6. Step 6: Final answer
    x = 4,794.59

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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.