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Finding the Fourth Proportional to 37,953.84, 52,377.06 and 20,958.12

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Solution

The fourth proportional to 37,953.84, 52,377.06 and 20,958.12 is: 28,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,953.84 : 52,377.06 = 20,958.12 : x
  2. Step 2: Convert to fraction form
    37,953.84/52,377.06 = 20,958.12/x
  3. Step 3: Cross multiply
    37,953.84x = 52,377.06 × 20,958.12
  4. Step 4: Simplify right side
    37,953.84x = 1,097,724,708.73
  5. Step 5: Solve for x
    x = 1,097,724,708.73/37,953.84
  6. Step 6: Final answer
    x = 28,922.63

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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.