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Finding the Fourth Proportional to 57,294.30, 85,959.68 and 36,364.71

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Solution

The fourth proportional to 57,294.30, 85,959.68 and 36,364.71 is: 54,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,294.30 : 85,959.68 = 36,364.71 : x
  2. Step 2: Convert to fraction form
    57,294.30/85,959.68 = 36,364.71/x
  3. Step 3: Cross multiply
    57,294.30x = 85,959.68 × 36,364.71
  4. Step 4: Simplify right side
    57,294.30x = 3,125,898,653.07
  5. Step 5: Solve for x
    x = 3,125,898,653.07/57,294.30
  6. Step 6: Final answer
    x = 54,558.63

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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.