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Finding the Fourth Proportional to 6,900.88, 10,356.12 and 3,003.28

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Solution

The fourth proportional to 6,900.88, 10,356.12 and 3,003.28 is: 4,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.88 : 10,356.12 = 3,003.28 : x
  2. Step 2: Convert to fraction form
    6,900.88/10,356.12 = 3,003.28/x
  3. Step 3: Cross multiply
    6,900.88x = 10,356.12 × 3,003.28
  4. Step 4: Simplify right side
    6,900.88x = 31,102,328.07
  5. Step 5: Solve for x
    x = 31,102,328.07/6,900.88
  6. Step 6: Final answer
    x = 4,507.01

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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.