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Finding the Fourth Proportional to 5,602.16, 7,731.16 and 3,212.48

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Solution

The fourth proportional to 5,602.16, 7,731.16 and 3,212.48 is: 4,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.16 : 7,731.16 = 3,212.48 : x
  2. Step 2: Convert to fraction form
    5,602.16/7,731.16 = 3,212.48/x
  3. Step 3: Cross multiply
    5,602.16x = 7,731.16 × 3,212.48
  4. Step 4: Simplify right side
    5,602.16x = 24,836,196.88
  5. Step 5: Solve for x
    x = 24,836,196.88/5,602.16
  6. Step 6: Final answer
    x = 4,433.33

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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.