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Finding the Fourth Proportional to 5,584.71, 7,707.85 and 3,228.22

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Solution

The fourth proportional to 5,584.71, 7,707.85 and 3,228.22 is: 4,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.71 : 7,707.85 = 3,228.22 : x
  2. Step 2: Convert to fraction form
    5,584.71/7,707.85 = 3,228.22/x
  3. Step 3: Cross multiply
    5,584.71x = 7,707.85 × 3,228.22
  4. Step 4: Simplify right side
    5,584.71x = 24,882,608.19
  5. Step 5: Solve for x
    x = 24,882,608.19/5,584.71
  6. Step 6: Final answer
    x = 4,455.49

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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.