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Finding the Fourth Proportional to 7,279.46, 10,046.73 and 4,448.46

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Solution

The fourth proportional to 7,279.46, 10,046.73 and 4,448.46 is: 6,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.46 : 10,046.73 = 4,448.46 : x
  2. Step 2: Convert to fraction form
    7,279.46/10,046.73 = 4,448.46/x
  3. Step 3: Cross multiply
    7,279.46x = 10,046.73 × 4,448.46
  4. Step 4: Simplify right side
    7,279.46x = 44,692,476.54
  5. Step 5: Solve for x
    x = 44,692,476.54/7,279.46
  6. Step 6: Final answer
    x = 6,139.53

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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.