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Finding the Fourth Proportional to 7,726, 10,661.96 and 4,584.88

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Solution

The fourth proportional to 7,726, 10,661.96 and 4,584.88 is: 6,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726 : 10,661.96 = 4,584.88 : x
  2. Step 2: Convert to fraction form
    7,726/10,661.96 = 4,584.88/x
  3. Step 3: Cross multiply
    7,726x = 10,661.96 × 4,584.88
  4. Step 4: Simplify right side
    7,726x = 48,883,807.16
  5. Step 5: Solve for x
    x = 48,883,807.16/7,726
  6. Step 6: Final answer
    x = 6,327.18

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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.