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Finding the Fourth Proportional to 37,608.66, 51,902.37 and 20,842.74

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Solution

The fourth proportional to 37,608.66, 51,902.37 and 20,842.74 is: 28,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,608.66 : 51,902.37 = 20,842.74 : x
  2. Step 2: Convert to fraction form
    37,608.66/51,902.37 = 20,842.74/x
  3. Step 3: Cross multiply
    37,608.66x = 51,902.37 × 20,842.74
  4. Step 4: Simplify right side
    37,608.66x = 1,081,787,603.29
  5. Step 5: Solve for x
    x = 1,081,787,603.29/37,608.66
  6. Step 6: Final answer
    x = 28,764.32

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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.