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Finding the Fourth Proportional to 35,676.61, 49,230.52 and 19,756.87

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Solution

The fourth proportional to 35,676.61, 49,230.52 and 19,756.87 is: 27,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,676.61 : 49,230.52 = 19,756.87 : x
  2. Step 2: Convert to fraction form
    35,676.61/49,230.52 = 19,756.87/x
  3. Step 3: Cross multiply
    35,676.61x = 49,230.52 × 19,756.87
  4. Step 4: Simplify right side
    35,676.61x = 972,640,983.67
  5. Step 5: Solve for x
    x = 972,640,983.67/35,676.61
  6. Step 6: Final answer
    x = 27,262.71

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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.