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Finding the Fourth Proportional to 61,623.88, 85,043.94 and 37,751.86

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Solution

The fourth proportional to 61,623.88, 85,043.94 and 37,751.86 is: 52,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,623.88 : 85,043.94 = 37,751.86 : x
  2. Step 2: Convert to fraction form
    61,623.88/85,043.94 = 37,751.86/x
  3. Step 3: Cross multiply
    61,623.88x = 85,043.94 × 37,751.86
  4. Step 4: Simplify right side
    61,623.88x = 3,210,566,916.73
  5. Step 5: Solve for x
    x = 3,210,566,916.73/61,623.88
  6. Step 6: Final answer
    x = 52,099.40

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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.