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Finding the Fourth Proportional to 61,898.58, 85,392.63 and 36,733.50

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Solution

The fourth proportional to 61,898.58, 85,392.63 and 36,733.50 is: 50,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,898.58 : 85,392.63 = 36,733.50 : x
  2. Step 2: Convert to fraction form
    61,898.58/85,392.63 = 36,733.50/x
  3. Step 3: Cross multiply
    61,898.58x = 85,392.63 × 36,733.50
  4. Step 4: Simplify right side
    61,898.58x = 3,136,770,174.11
  5. Step 5: Solve for x
    x = 3,136,770,174.11/61,898.58
  6. Step 6: Final answer
    x = 50,675.96

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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.