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Finding the Fourth Proportional to 67,651.69, 101,479.36 and 30,202.96

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Solution

The fourth proportional to 67,651.69, 101,479.36 and 30,202.96 is: 45,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,651.69 : 101,479.36 = 30,202.96 : x
  2. Step 2: Convert to fraction form
    67,651.69/101,479.36 = 30,202.96/x
  3. Step 3: Cross multiply
    67,651.69x = 101,479.36 × 30,202.96
  4. Step 4: Simplify right side
    67,651.69x = 3,064,977,050.91
  5. Step 5: Solve for x
    x = 3,064,977,050.91/67,651.69
  6. Step 6: Final answer
    x = 45,305.25

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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.