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Finding the Fourth Proportional to 61,672.41, 92,420.04 and 35,039.61

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Solution

The fourth proportional to 61,672.41, 92,420.04 and 35,039.61 is: 52,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,672.41 : 92,420.04 = 35,039.61 : x
  2. Step 2: Convert to fraction form
    61,672.41/92,420.04 = 35,039.61/x
  3. Step 3: Cross multiply
    61,672.41x = 92,420.04 × 35,039.61
  4. Step 4: Simplify right side
    61,672.41x = 3,238,362,157.78
  5. Step 5: Solve for x
    x = 3,238,362,157.78/61,672.41
  6. Step 6: Final answer
    x = 52,509.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.