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Finding the Fourth Proportional to 29,450.56, 40,656.78 and 22,721.08

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Solution

The fourth proportional to 29,450.56, 40,656.78 and 22,721.08 is: 31,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,450.56 : 40,656.78 = 22,721.08 : x
  2. Step 2: Convert to fraction form
    29,450.56/40,656.78 = 22,721.08/x
  3. Step 3: Cross multiply
    29,450.56x = 40,656.78 × 22,721.08
  4. Step 4: Simplify right side
    29,450.56x = 923,765,950.92
  5. Step 5: Solve for x
    x = 923,765,950.92/29,450.56
  6. Step 6: Final answer
    x = 31,366.67

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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.