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Finding the Fourth Proportional to 29,674.68, 44,480.70 and 20,312.22

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Solution

The fourth proportional to 29,674.68, 44,480.70 and 20,312.22 is: 30,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,674.68 : 44,480.70 = 20,312.22 : x
  2. Step 2: Convert to fraction form
    29,674.68/44,480.70 = 20,312.22/x
  3. Step 3: Cross multiply
    29,674.68x = 44,480.70 × 20,312.22
  4. Step 4: Simplify right side
    29,674.68x = 903,501,764.15
  5. Step 5: Solve for x
    x = 903,501,764.15/29,674.68
  6. Step 6: Final answer
    x = 30,446.89

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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.