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Finding the Fourth Proportional to 61,927.50, 85,475.85 and 37,744.86

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Solution

The fourth proportional to 61,927.50, 85,475.85 and 37,744.86 is: 52,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,927.50 : 85,475.85 = 37,744.86 : x
  2. Step 2: Convert to fraction form
    61,927.50/85,475.85 = 37,744.86/x
  3. Step 3: Cross multiply
    61,927.50x = 85,475.85 × 37,744.86
  4. Step 4: Simplify right side
    61,927.50x = 3,226,273,991.63
  5. Step 5: Solve for x
    x = 3,226,273,991.63/61,927.50
  6. Step 6: Final answer
    x = 52,097.60

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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.