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Finding the Fourth Proportional to 22,996.80, 34,422.30 and 16,435.80

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Solution

The fourth proportional to 22,996.80, 34,422.30 and 16,435.80 is: 24,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,996.80 : 34,422.30 = 16,435.80 : x
  2. Step 2: Convert to fraction form
    22,996.80/34,422.30 = 16,435.80/x
  3. Step 3: Cross multiply
    22,996.80x = 34,422.30 × 16,435.80
  4. Step 4: Simplify right side
    22,996.80x = 565,758,038.34
  5. Step 5: Solve for x
    x = 565,758,038.34/22,996.80
  6. Step 6: Final answer
    x = 24,601.60

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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.