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Finding the Fourth Proportional to 5,448.57, 7,529.24 and 4,453.48

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Solution

The fourth proportional to 5,448.57, 7,529.24 and 4,453.48 is: 6,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.57 : 7,529.24 = 4,453.48 : x
  2. Step 2: Convert to fraction form
    5,448.57/7,529.24 = 4,453.48/x
  3. Step 3: Cross multiply
    5,448.57x = 7,529.24 × 4,453.48
  4. Step 4: Simplify right side
    5,448.57x = 33,531,319.76
  5. Step 5: Solve for x
    x = 33,531,319.76/5,448.57
  6. Step 6: Final answer
    x = 6,154.15

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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.