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Finding the Fourth Proportional to 36,701.98, 55,052.70 and 16,980.64

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Solution

The fourth proportional to 36,701.98, 55,052.70 and 16,980.64 is: 25,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.98 : 55,052.70 = 16,980.64 : x
  2. Step 2: Convert to fraction form
    36,701.98/55,052.70 = 16,980.64/x
  3. Step 3: Cross multiply
    36,701.98x = 55,052.70 × 16,980.64
  4. Step 4: Simplify right side
    36,701.98x = 934,830,079.73
  5. Step 5: Solve for x
    x = 934,830,079.73/36,701.98
  6. Step 6: Final answer
    x = 25,470.84

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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.