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Finding the Fourth Proportional to 37,957.68, 52,380.84 and 20,960.94

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Solution

The fourth proportional to 37,957.68, 52,380.84 and 20,960.94 is: 28,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,957.68 : 52,380.84 = 20,960.94 : x
  2. Step 2: Convert to fraction form
    37,957.68/52,380.84 = 20,960.94/x
  3. Step 3: Cross multiply
    37,957.68x = 52,380.84 × 20,960.94
  4. Step 4: Simplify right side
    37,957.68x = 1,097,951,644.39
  5. Step 5: Solve for x
    x = 1,097,951,644.39/37,957.68
  6. Step 6: Final answer
    x = 28,925.68

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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.