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Finding the Fourth Proportional to 61,622.30, 92,433.45 and 20,069.30

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Solution

The fourth proportional to 61,622.30, 92,433.45 and 20,069.30 is: 30,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.30 : 92,433.45 = 20,069.30 : x
  2. Step 2: Convert to fraction form
    61,622.30/92,433.45 = 20,069.30/x
  3. Step 3: Cross multiply
    61,622.30x = 92,433.45 × 20,069.30
  4. Step 4: Simplify right side
    61,622.30x = 1,855,074,944.43
  5. Step 5: Solve for x
    x = 1,855,074,944.43/61,622.30
  6. Step 6: Final answer
    x = 30,103.95

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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.