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Finding the Fourth Proportional to 61,356.12, 92,034.06 and 16,982.74

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Solution

The fourth proportional to 61,356.12, 92,034.06 and 16,982.74 is: 25,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356.12 : 92,034.06 = 16,982.74 : x
  2. Step 2: Convert to fraction form
    61,356.12/92,034.06 = 16,982.74/x
  3. Step 3: Cross multiply
    61,356.12x = 92,034.06 × 16,982.74
  4. Step 4: Simplify right side
    61,356.12x = 1,562,990,512.12
  5. Step 5: Solve for x
    x = 1,562,990,512.12/61,356.12
  6. Step 6: Final answer
    x = 25,474.08

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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.