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Finding the Fourth Proportional to 61,664.72, 85,096.99 and 33,370.40

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Solution

The fourth proportional to 61,664.72, 85,096.99 and 33,370.40 is: 46,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.72 : 85,096.99 = 33,370.40 : x
  2. Step 2: Convert to fraction form
    61,664.72/85,096.99 = 33,370.40/x
  3. Step 3: Cross multiply
    61,664.72x = 85,096.99 × 33,370.40
  4. Step 4: Simplify right side
    61,664.72x = 2,839,720,849.55
  5. Step 5: Solve for x
    x = 2,839,720,849.55/61,664.72
  6. Step 6: Final answer
    x = 46,050.98

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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.