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Finding the Fourth Proportional to 64,374.21, 88,841.84 and 36,085.37

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Solution

The fourth proportional to 64,374.21, 88,841.84 and 36,085.37 is: 49,800.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,374.21 : 88,841.84 = 36,085.37 : x
  2. Step 2: Convert to fraction form
    64,374.21/88,841.84 = 36,085.37/x
  3. Step 3: Cross multiply
    64,374.21x = 88,841.84 × 36,085.37
  4. Step 4: Simplify right side
    64,374.21x = 3,205,890,043.24
  5. Step 5: Solve for x
    x = 3,205,890,043.24/64,374.21
  6. Step 6: Final answer
    x = 49,800.84

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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.