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Finding the Fourth Proportional to 37,648.67, 56,458.60 and 12,682

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Solution

The fourth proportional to 37,648.67, 56,458.60 and 12,682 is: 19,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,648.67 : 56,458.60 = 12,682 : x
  2. Step 2: Convert to fraction form
    37,648.67/56,458.60 = 12,682/x
  3. Step 3: Cross multiply
    37,648.67x = 56,458.60 × 12,682
  4. Step 4: Simplify right side
    37,648.67x = 716,007,965.20
  5. Step 5: Solve for x
    x = 716,007,965.20/37,648.67
  6. Step 6: Final answer
    x = 19,018.15

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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.