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Finding the Fourth Proportional to 22,999.76, 34,523.78 and 20,384.00

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Solution

The fourth proportional to 22,999.76, 34,523.78 and 20,384.00 is: 30,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.76 : 34,523.78 = 20,384.00 : x
  2. Step 2: Convert to fraction form
    22,999.76/34,523.78 = 20,384.00/x
  3. Step 3: Cross multiply
    22,999.76x = 34,523.78 × 20,384.00
  4. Step 4: Simplify right side
    22,999.76x = 703,732,456.98
  5. Step 5: Solve for x
    x = 703,732,456.98/22,999.76
  6. Step 6: Final answer
    x = 30,597.39

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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.