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Finding the Fourth Proportional to 52,522.34, 72,481.80 and 28,649.87

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Solution

The fourth proportional to 52,522.34, 72,481.80 and 28,649.87 is: 39,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522.34 : 72,481.80 = 28,649.87 : x
  2. Step 2: Convert to fraction form
    52,522.34/72,481.80 = 28,649.87/x
  3. Step 3: Cross multiply
    52,522.34x = 72,481.80 × 28,649.87
  4. Step 4: Simplify right side
    52,522.34x = 2,076,594,147.37
  5. Step 5: Solve for x
    x = 2,076,594,147.37/52,522.34
  6. Step 6: Final answer
    x = 39,537.35

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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.