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Finding the Fourth Proportional to 3,470.10, 5,204.91 and 873.06

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Solution

The fourth proportional to 3,470.10, 5,204.91 and 873.06 is: 1,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.10 : 5,204.91 = 873.06 : x
  2. Step 2: Convert to fraction form
    3,470.10/5,204.91 = 873.06/x
  3. Step 3: Cross multiply
    3,470.10x = 5,204.91 × 873.06
  4. Step 4: Simplify right side
    3,470.10x = 4,544,198.72
  5. Step 5: Solve for x
    x = 4,544,198.72/3,470.10
  6. Step 6: Final answer
    x = 1,309.53

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1.5x scale

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.