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Finding the Fourth Proportional to 6,476.13, 9,712.13 and 2,777.36

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Solution

The fourth proportional to 6,476.13, 9,712.13 and 2,777.36 is: 4,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.13 : 9,712.13 = 2,777.36 : x
  2. Step 2: Convert to fraction form
    6,476.13/9,712.13 = 2,777.36/x
  3. Step 3: Cross multiply
    6,476.13x = 9,712.13 × 2,777.36
  4. Step 4: Simplify right side
    6,476.13x = 26,974,108.69
  5. Step 5: Solve for x
    x = 26,974,108.69/6,476.13
  6. Step 6: Final answer
    x = 4,165.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.