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Finding the Fourth Proportional to 7,150.26, 9,913.12 and 6,756.60

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Solution

The fourth proportional to 7,150.26, 9,913.12 and 6,756.60 is: 9,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.26 : 9,913.12 = 6,756.60 : x
  2. Step 2: Convert to fraction form
    7,150.26/9,913.12 = 6,756.60/x
  3. Step 3: Cross multiply
    7,150.26x = 9,913.12 × 6,756.60
  4. Step 4: Simplify right side
    7,150.26x = 66,978,986.59
  5. Step 5: Solve for x
    x = 66,978,986.59/7,150.26
  6. Step 6: Final answer
    x = 9,367.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.