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Finding the Fourth Proportional to 5,357.33, 7,392.23 and 3,366.48

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Solution

The fourth proportional to 5,357.33, 7,392.23 and 3,366.48 is: 4,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.33 : 7,392.23 = 3,366.48 : x
  2. Step 2: Convert to fraction form
    5,357.33/7,392.23 = 3,366.48/x
  3. Step 3: Cross multiply
    5,357.33x = 7,392.23 × 3,366.48
  4. Step 4: Simplify right side
    5,357.33x = 24,885,794.45
  5. Step 5: Solve for x
    x = 24,885,794.45/5,357.33
  6. Step 6: Final answer
    x = 4,645.19

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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.