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Finding the Fourth Proportional to 5,679.26, 8,475.71 and 5,303.26

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Solution

The fourth proportional to 5,679.26, 8,475.71 and 5,303.26 is: 7,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.26 : 8,475.71 = 5,303.26 : x
  2. Step 2: Convert to fraction form
    5,679.26/8,475.71 = 5,303.26/x
  3. Step 3: Cross multiply
    5,679.26x = 8,475.71 × 5,303.26
  4. Step 4: Simplify right side
    5,679.26x = 44,948,863.33
  5. Step 5: Solve for x
    x = 44,948,863.33/5,679.26
  6. Step 6: Final answer
    x = 7,914.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.