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Finding the Fourth Proportional to 67,898.28, 101,785.86 and 36,697.08

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Solution

The fourth proportional to 67,898.28, 101,785.86 and 36,697.08 is: 55,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.28 : 101,785.86 = 36,697.08 : x
  2. Step 2: Convert to fraction form
    67,898.28/101,785.86 = 36,697.08/x
  3. Step 3: Cross multiply
    67,898.28x = 101,785.86 × 36,697.08
  4. Step 4: Simplify right side
    67,898.28x = 3,735,243,847.29
  5. Step 5: Solve for x
    x = 3,735,243,847.29/67,898.28
  6. Step 6: Final answer
    x = 55,012.35

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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.