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Finding the Fourth Proportional to 2,904.49, 4,351.07 and 2,320.71

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Solution

The fourth proportional to 2,904.49, 4,351.07 and 2,320.71 is: 3,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.49 : 4,351.07 = 2,320.71 : x
  2. Step 2: Convert to fraction form
    2,904.49/4,351.07 = 2,320.71/x
  3. Step 3: Cross multiply
    2,904.49x = 4,351.07 × 2,320.71
  4. Step 4: Simplify right side
    2,904.49x = 10,097,538.30
  5. Step 5: Solve for x
    x = 10,097,538.30/2,904.49
  6. Step 6: Final answer
    x = 3,476.53

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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.