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Finding the Fourth Proportional to 33,368.20, 49,922.70 and 21,704.20

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Solution

The fourth proportional to 33,368.20, 49,922.70 and 21,704.20 is: 32,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,368.20 : 49,922.70 = 21,704.20 : x
  2. Step 2: Convert to fraction form
    33,368.20/49,922.70 = 21,704.20/x
  3. Step 3: Cross multiply
    33,368.20x = 49,922.70 × 21,704.20
  4. Step 4: Simplify right side
    33,368.20x = 1,083,532,265.34
  5. Step 5: Solve for x
    x = 1,083,532,265.34/33,368.20
  6. Step 6: Final answer
    x = 32,472.00

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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.