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Finding the Fourth Proportional to 10,360.50, 15,541.12 and 3,434.82

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Solution

The fourth proportional to 10,360.50, 15,541.12 and 3,434.82 is: 5,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.50 : 15,541.12 = 3,434.82 : x
  2. Step 2: Convert to fraction form
    10,360.50/15,541.12 = 3,434.82/x
  3. Step 3: Cross multiply
    10,360.50x = 15,541.12 × 3,434.82
  4. Step 4: Simplify right side
    10,360.50x = 53,380,949.80
  5. Step 5: Solve for x
    x = 53,380,949.80/10,360.50
  6. Step 6: Final answer
    x = 5,152.35

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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.