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Finding the Fourth Proportional to 23,192.99, 34,789.40 and 8,398.45

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Solution

The fourth proportional to 23,192.99, 34,789.40 and 8,398.45 is: 12,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,192.99 : 34,789.40 = 8,398.45 : x
  2. Step 2: Convert to fraction form
    23,192.99/34,789.40 = 8,398.45/x
  3. Step 3: Cross multiply
    23,192.99x = 34,789.40 × 8,398.45
  4. Step 4: Simplify right side
    23,192.99x = 292,177,069.42
  5. Step 5: Solve for x
    x = 292,177,069.42/23,192.99
  6. Step 6: Final answer
    x = 12,597.65

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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.