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Finding the Fourth Proportional to 22,670.99, 33,950.75 and 15,631.28

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Solution

The fourth proportional to 22,670.99, 33,950.75 and 15,631.28 is: 23,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.99 : 33,950.75 = 15,631.28 : x
  2. Step 2: Convert to fraction form
    22,670.99/33,950.75 = 15,631.28/x
  3. Step 3: Cross multiply
    22,670.99x = 33,950.75 × 15,631.28
  4. Step 4: Simplify right side
    22,670.99x = 530,693,558.87
  5. Step 5: Solve for x
    x = 530,693,558.87/22,670.99
  6. Step 6: Final answer
    x = 23,408.49

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Similar ratio
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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.