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Finding the Fourth Proportional to 7,754, 10,704.30 and 4,772.48

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Solution

The fourth proportional to 7,754, 10,704.30 and 4,772.48 is: 6,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754 : 10,704.30 = 4,772.48 : x
  2. Step 2: Convert to fraction form
    7,754/10,704.30 = 4,772.48/x
  3. Step 3: Cross multiply
    7,754x = 10,704.30 × 4,772.48
  4. Step 4: Simplify right side
    7,754x = 51,086,057.66
  5. Step 5: Solve for x
    x = 51,086,057.66/7,754
  6. Step 6: Final answer
    x = 6,588.35

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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.