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Finding the Fourth Proportional to 61,657.86, 92,485.19 and 16,683.57

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Solution

The fourth proportional to 61,657.86, 92,485.19 and 16,683.57 is: 25,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.86 : 92,485.19 = 16,683.57 : x
  2. Step 2: Convert to fraction form
    61,657.86/92,485.19 = 16,683.57/x
  3. Step 3: Cross multiply
    61,657.86x = 92,485.19 × 16,683.57
  4. Step 4: Simplify right side
    61,657.86x = 1,542,983,319.50
  5. Step 5: Solve for x
    x = 1,542,983,319.50/61,657.86
  6. Step 6: Final answer
    x = 25,024.92

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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.