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Finding the Fourth Proportional to 57,359.88, 85,927.80 and 37,578.36

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Solution

The fourth proportional to 57,359.88, 85,927.80 and 37,578.36 is: 56,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,359.88 : 85,927.80 = 37,578.36 : x
  2. Step 2: Convert to fraction form
    57,359.88/85,927.80 = 37,578.36/x
  3. Step 3: Cross multiply
    57,359.88x = 85,927.80 × 37,578.36
  4. Step 4: Simplify right side
    57,359.88x = 3,229,025,802.41
  5. Step 5: Solve for x
    x = 3,229,025,802.41/57,359.88
  6. Step 6: Final answer
    x = 56,294.15

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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.