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Finding the Fourth Proportional to 3,506.27, 5,259.38 and 873.76

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Solution

The fourth proportional to 3,506.27, 5,259.38 and 873.76 is: 1,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.27 : 5,259.38 = 873.76 : x
  2. Step 2: Convert to fraction form
    3,506.27/5,259.38 = 873.76/x
  3. Step 3: Cross multiply
    3,506.27x = 5,259.38 × 873.76
  4. Step 4: Simplify right side
    3,506.27x = 4,595,405.20
  5. Step 5: Solve for x
    x = 4,595,405.20/3,506.27
  6. Step 6: Final answer
    x = 1,310.63

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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.