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Finding the Fourth Proportional to 7,801.08, 10,769.40 and 5,296.44

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Solution

The fourth proportional to 7,801.08, 10,769.40 and 5,296.44 is: 7,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.08 : 10,769.40 = 5,296.44 : x
  2. Step 2: Convert to fraction form
    7,801.08/10,769.40 = 5,296.44/x
  3. Step 3: Cross multiply
    7,801.08x = 10,769.40 × 5,296.44
  4. Step 4: Simplify right side
    7,801.08x = 57,039,480.94
  5. Step 5: Solve for x
    x = 57,039,480.94/7,801.08
  6. Step 6: Final answer
    x = 7,311.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.