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Finding the Fourth Proportional to 7,260.26, 10,019.14 and 3,948.26

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Solution

The fourth proportional to 7,260.26, 10,019.14 and 3,948.26 is: 5,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.26 : 10,019.14 = 3,948.26 : x
  2. Step 2: Convert to fraction form
    7,260.26/10,019.14 = 3,948.26/x
  3. Step 3: Cross multiply
    7,260.26x = 10,019.14 × 3,948.26
  4. Step 4: Simplify right side
    7,260.26x = 39,558,169.70
  5. Step 5: Solve for x
    x = 39,558,169.70/7,260.26
  6. Step 6: Final answer
    x = 5,448.59

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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.