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Finding the Fourth Proportional to 5,392, 7,444.20 and 3,532.24

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Solution

The fourth proportional to 5,392, 7,444.20 and 3,532.24 is: 4,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392 : 7,444.20 = 3,532.24 : x
  2. Step 2: Convert to fraction form
    5,392/7,444.20 = 3,532.24/x
  3. Step 3: Cross multiply
    5,392x = 7,444.20 × 3,532.24
  4. Step 4: Simplify right side
    5,392x = 26,294,701.01
  5. Step 5: Solve for x
    x = 26,294,701.01/5,392
  6. Step 6: Final answer
    x = 4,876.61

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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.