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Finding the Fourth Proportional to 7,393.75, 10,203.38 and 4,250.55

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Solution

The fourth proportional to 7,393.75, 10,203.38 and 4,250.55 is: 5,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.75 : 10,203.38 = 4,250.55 : x
  2. Step 2: Convert to fraction form
    7,393.75/10,203.38 = 4,250.55/x
  3. Step 3: Cross multiply
    7,393.75x = 10,203.38 × 4,250.55
  4. Step 4: Simplify right side
    7,393.75x = 43,369,976.86
  5. Step 5: Solve for x
    x = 43,369,976.86/7,393.75
  6. Step 6: Final answer
    x = 5,865.76

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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.