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Finding the Fourth Proportional to 7,481.58, 10,313.15 and 4,825.59

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Solution

The fourth proportional to 7,481.58, 10,313.15 and 4,825.59 is: 6,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.58 : 10,313.15 = 4,825.59 : x
  2. Step 2: Convert to fraction form
    7,481.58/10,313.15 = 4,825.59/x
  3. Step 3: Cross multiply
    7,481.58x = 10,313.15 × 4,825.59
  4. Step 4: Simplify right side
    7,481.58x = 49,767,033.51
  5. Step 5: Solve for x
    x = 49,767,033.51/7,481.58
  6. Step 6: Final answer
    x = 6,651.94

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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.