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Finding the Fourth Proportional to 5,448.76, 8,172.07 and 4,530.22

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Solution

The fourth proportional to 5,448.76, 8,172.07 and 4,530.22 is: 6,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.76 : 8,172.07 = 4,530.22 : x
  2. Step 2: Convert to fraction form
    5,448.76/8,172.07 = 4,530.22/x
  3. Step 3: Cross multiply
    5,448.76x = 8,172.07 × 4,530.22
  4. Step 4: Simplify right side
    5,448.76x = 37,021,274.96
  5. Step 5: Solve for x
    x = 37,021,274.96/5,448.76
  6. Step 6: Final answer
    x = 6,794.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.