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Finding the Fourth Proportional to 23,000.70, 34,493.70 and 8,959.80

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Solution

The fourth proportional to 23,000.70, 34,493.70 and 8,959.80 is: 13,436.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,000.70 : 34,493.70 = 8,959.80 : x
  2. Step 2: Convert to fraction form
    23,000.70/34,493.70 = 8,959.80/x
  3. Step 3: Cross multiply
    23,000.70x = 34,493.70 × 8,959.80
  4. Step 4: Simplify right side
    23,000.70x = 309,056,653.26
  5. Step 5: Solve for x
    x = 309,056,653.26/23,000.70
  6. Step 6: Final answer
    x = 13,436.84

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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.