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Finding the Fourth Proportional to 57,368.49, 85,979.71 and 32,422.44

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Solution

The fourth proportional to 57,368.49, 85,979.71 and 32,422.44 is: 48,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,368.49 : 85,979.71 = 32,422.44 : x
  2. Step 2: Convert to fraction form
    57,368.49/85,979.71 = 32,422.44/x
  3. Step 3: Cross multiply
    57,368.49x = 85,979.71 × 32,422.44
  4. Step 4: Simplify right side
    57,368.49x = 2,787,672,351.64
  5. Step 5: Solve for x
    x = 2,787,672,351.64/57,368.49
  6. Step 6: Final answer
    x = 48,592.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.