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Finding the Fourth Proportional to 52,388.91, 72,329.37 and 36,467.55

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Solution

The fourth proportional to 52,388.91, 72,329.37 and 36,467.55 is: 50,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,388.91 : 72,329.37 = 36,467.55 : x
  2. Step 2: Convert to fraction form
    52,388.91/72,329.37 = 36,467.55/x
  3. Step 3: Cross multiply
    52,388.91x = 72,329.37 × 36,467.55
  4. Step 4: Simplify right side
    52,388.91x = 2,637,674,916.94
  5. Step 5: Solve for x
    x = 2,637,674,916.94/52,388.91
  6. Step 6: Final answer
    x = 50,347.96

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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.