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Finding the Fourth Proportional to 38,215.56, 56,935.93 and 36,333.42

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Solution

The fourth proportional to 38,215.56, 56,935.93 and 36,333.42 is: 54,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,215.56 : 56,935.93 = 36,333.42 : x
  2. Step 2: Convert to fraction form
    38,215.56/56,935.93 = 36,333.42/x
  3. Step 3: Cross multiply
    38,215.56x = 56,935.93 × 36,333.42
  4. Step 4: Simplify right side
    38,215.56x = 2,068,677,057.78
  5. Step 5: Solve for x
    x = 2,068,677,057.78/38,215.56
  6. Step 6: Final answer
    x = 54,131.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.