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Finding the Fourth Proportional to 67,633.88, 101,384.86 and 28,202.26

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Solution

The fourth proportional to 67,633.88, 101,384.86 and 28,202.26 is: 42,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,633.88 : 101,384.86 = 28,202.26 : x
  2. Step 2: Convert to fraction form
    67,633.88/101,384.86 = 28,202.26/x
  3. Step 3: Cross multiply
    67,633.88x = 101,384.86 × 28,202.26
  4. Step 4: Simplify right side
    67,633.88x = 2,859,282,181.78
  5. Step 5: Solve for x
    x = 2,859,282,181.78/67,633.88
  6. Step 6: Final answer
    x = 42,275.89

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1.5x scale

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.