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Finding the Fourth Proportional to 67,112.98, 92,615.97 and 36,898.81

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Solution

The fourth proportional to 67,112.98, 92,615.97 and 36,898.81 is: 50,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.98 : 92,615.97 = 36,898.81 : x
  2. Step 2: Convert to fraction form
    67,112.98/92,615.97 = 36,898.81/x
  3. Step 3: Cross multiply
    67,112.98x = 92,615.97 × 36,898.81
  4. Step 4: Simplify right side
    67,112.98x = 3,417,419,080.00
  5. Step 5: Solve for x
    x = 3,417,419,080.00/67,112.98
  6. Step 6: Final answer
    x = 50,920.39

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1.5x scale

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.