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Finding the Fourth Proportional to 7,190.33, 9,924.39 and 4,800.42

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Solution

The fourth proportional to 7,190.33, 9,924.39 and 4,800.42 is: 6,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.33 : 9,924.39 = 4,800.42 : x
  2. Step 2: Convert to fraction form
    7,190.33/9,924.39 = 4,800.42/x
  3. Step 3: Cross multiply
    7,190.33x = 9,924.39 × 4,800.42
  4. Step 4: Simplify right side
    7,190.33x = 47,641,240.24
  5. Step 5: Solve for x
    x = 47,641,240.24/7,190.33
  6. Step 6: Final answer
    x = 6,625.74

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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.