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Finding the Fourth Proportional to 51,552, 71,141.76 and 29,197.44

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Solution

The fourth proportional to 51,552, 71,141.76 and 29,197.44 is: 40,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,552 : 71,141.76 = 29,197.44 : x
  2. Step 2: Convert to fraction form
    51,552/71,141.76 = 29,197.44/x
  3. Step 3: Cross multiply
    51,552x = 71,141.76 × 29,197.44
  4. Step 4: Simplify right side
    51,552x = 2,077,157,269.09
  5. Step 5: Solve for x
    x = 2,077,157,269.09/51,552
  6. Step 6: Final answer
    x = 40,292.47

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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.