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Finding the Fourth Proportional to 37,013, 51,078.76 and 20,246

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Solution

The fourth proportional to 37,013, 51,078.76 and 20,246 is: 27,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,013 : 51,078.76 = 20,246 : x
  2. Step 2: Convert to fraction form
    37,013/51,078.76 = 20,246/x
  3. Step 3: Cross multiply
    37,013x = 51,078.76 × 20,246
  4. Step 4: Simplify right side
    37,013x = 1,034,140,574.96
  5. Step 5: Solve for x
    x = 1,034,140,574.96/37,013
  6. Step 6: Final answer
    x = 27,939.93

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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.