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Finding the Fourth Proportional to 5,393.87, 7,444.23 and 3,036.47

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Solution

The fourth proportional to 5,393.87, 7,444.23 and 3,036.47 is: 4,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.87 : 7,444.23 = 3,036.47 : x
  2. Step 2: Convert to fraction form
    5,393.87/7,444.23 = 3,036.47/x
  3. Step 3: Cross multiply
    5,393.87x = 7,444.23 × 3,036.47
  4. Step 4: Simplify right side
    5,393.87x = 22,604,143.85
  5. Step 5: Solve for x
    x = 22,604,143.85/5,393.87
  6. Step 6: Final answer
    x = 4,190.71

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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.