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Finding the Fourth Proportional to 37,608.74, 51,900.09 and 20,841.74

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Solution

The fourth proportional to 37,608.74, 51,900.09 and 20,841.74 is: 28,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,608.74 : 51,900.09 = 20,841.74 : x
  2. Step 2: Convert to fraction form
    37,608.74/51,900.09 = 20,841.74/x
  3. Step 3: Cross multiply
    37,608.74x = 51,900.09 × 20,841.74
  4. Step 4: Simplify right side
    37,608.74x = 1,081,688,181.76
  5. Step 5: Solve for x
    x = 1,081,688,181.76/37,608.74
  6. Step 6: Final answer
    x = 28,761.62

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1.5x scale

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.