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Finding the Fourth Proportional to 7,228.44, 9,975.36 and 4,244.34

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Solution

The fourth proportional to 7,228.44, 9,975.36 and 4,244.34 is: 5,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.44 : 9,975.36 = 4,244.34 : x
  2. Step 2: Convert to fraction form
    7,228.44/9,975.36 = 4,244.34/x
  3. Step 3: Cross multiply
    7,228.44x = 9,975.36 × 4,244.34
  4. Step 4: Simplify right side
    7,228.44x = 42,338,819.46
  5. Step 5: Solve for x
    x = 42,338,819.46/7,228.44
  6. Step 6: Final answer
    x = 5,857.26

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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.