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Finding the Fourth Proportional to 7,505.39, 10,357.41 and 4,193.39

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Solution

The fourth proportional to 7,505.39, 10,357.41 and 4,193.39 is: 5,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.39 : 10,357.41 = 4,193.39 : x
  2. Step 2: Convert to fraction form
    7,505.39/10,357.41 = 4,193.39/x
  3. Step 3: Cross multiply
    7,505.39x = 10,357.41 × 4,193.39
  4. Step 4: Simplify right side
    7,505.39x = 43,432,659.52
  5. Step 5: Solve for x
    x = 43,432,659.52/7,505.39
  6. Step 6: Final answer
    x = 5,786.86

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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.