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Finding the Fourth Proportional to 22,713.70, 34,071.99 and 7,131.94

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Solution

The fourth proportional to 22,713.70, 34,071.99 and 7,131.94 is: 10,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.70 : 34,071.99 = 7,131.94 : x
  2. Step 2: Convert to fraction form
    22,713.70/34,071.99 = 7,131.94/x
  3. Step 3: Cross multiply
    22,713.70x = 34,071.99 × 7,131.94
  4. Step 4: Simplify right side
    22,713.70x = 242,999,182.34
  5. Step 5: Solve for x
    x = 242,999,182.34/22,713.70
  6. Step 6: Final answer
    x = 10,698.36

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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.