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Finding the Fourth Proportional to 35,472.53, 53,218.82 and 10,512.48

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Solution

The fourth proportional to 35,472.53, 53,218.82 and 10,512.48 is: 15,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.53 : 53,218.82 = 10,512.48 : x
  2. Step 2: Convert to fraction form
    35,472.53/53,218.82 = 10,512.48/x
  3. Step 3: Cross multiply
    35,472.53x = 53,218.82 × 10,512.48
  4. Step 4: Simplify right side
    35,472.53x = 559,462,006.73
  5. Step 5: Solve for x
    x = 559,462,006.73/35,472.53
  6. Step 6: Final answer
    x = 15,771.70

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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.