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Finding the Fourth Proportional to 3,160.04, 4,738.50 and 968.24

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Solution

The fourth proportional to 3,160.04, 4,738.50 and 968.24 is: 1,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.04 : 4,738.50 = 968.24 : x
  2. Step 2: Convert to fraction form
    3,160.04/4,738.50 = 968.24/x
  3. Step 3: Cross multiply
    3,160.04x = 4,738.50 × 968.24
  4. Step 4: Simplify right side
    3,160.04x = 4,588,005.24
  5. Step 5: Solve for x
    x = 4,588,005.24/3,160.04
  6. Step 6: Final answer
    x = 1,451.88

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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.