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Finding the Fourth Proportional to 37,296.72, 55,931 and 10,994

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Solution

The fourth proportional to 37,296.72, 55,931 and 10,994 is: 16,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,296.72 : 55,931 = 10,994 : x
  2. Step 2: Convert to fraction form
    37,296.72/55,931 = 10,994/x
  3. Step 3: Cross multiply
    37,296.72x = 55,931 × 10,994
  4. Step 4: Simplify right side
    37,296.72x = 614,905,414
  5. Step 5: Solve for x
    x = 614,905,414/37,296.72
  6. Step 6: Final answer
    x = 16,486.85

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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.