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Finding the Fourth Proportional to 3,294.15, 4,940.96 and 954.06

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Solution

The fourth proportional to 3,294.15, 4,940.96 and 954.06 is: 1,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.15 : 4,940.96 = 954.06 : x
  2. Step 2: Convert to fraction form
    3,294.15/4,940.96 = 954.06/x
  3. Step 3: Cross multiply
    3,294.15x = 4,940.96 × 954.06
  4. Step 4: Simplify right side
    3,294.15x = 4,713,967.53
  5. Step 5: Solve for x
    x = 4,713,967.53/3,294.15
  6. Step 6: Final answer
    x = 1,431.01

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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.