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Finding the Fourth Proportional to 22,425.00, 30,946.09 and 12,354.37

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Solution

The fourth proportional to 22,425.00, 30,946.09 and 12,354.37 is: 17,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.00 : 30,946.09 = 12,354.37 : x
  2. Step 2: Convert to fraction form
    22,425.00/30,946.09 = 12,354.37/x
  3. Step 3: Cross multiply
    22,425.00x = 30,946.09 × 12,354.37
  4. Step 4: Simplify right side
    22,425.00x = 382,319,517.53
  5. Step 5: Solve for x
    x = 382,319,517.53/22,425.00
  6. Step 6: Final answer
    x = 17,048.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.