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Finding the Fourth Proportional to 57,772.86, 79,723.68 and 32,274.18

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Solution

The fourth proportional to 57,772.86, 79,723.68 and 32,274.18 is: 44,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.86 : 79,723.68 = 32,274.18 : x
  2. Step 2: Convert to fraction form
    57,772.86/79,723.68 = 32,274.18/x
  3. Step 3: Cross multiply
    57,772.86x = 79,723.68 × 32,274.18
  4. Step 4: Simplify right side
    57,772.86x = 2,573,016,398.58
  5. Step 5: Solve for x
    x = 2,573,016,398.58/57,772.86
  6. Step 6: Final answer
    x = 44,536.77

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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.