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Finding the Fourth Proportional to 6,400.84, 9,602.47 and 2,505

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Solution

The fourth proportional to 6,400.84, 9,602.47 and 2,505 is: 3,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.84 : 9,602.47 = 2,505 : x
  2. Step 2: Convert to fraction form
    6,400.84/9,602.47 = 2,505/x
  3. Step 3: Cross multiply
    6,400.84x = 9,602.47 × 2,505
  4. Step 4: Simplify right side
    6,400.84x = 24,054,187.35
  5. Step 5: Solve for x
    x = 24,054,187.35/6,400.84
  6. Step 6: Final answer
    x = 3,757.97

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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.