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Finding the Fourth Proportional to 34,244.20, 51,407.90 and 21,764.20

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Solution

The fourth proportional to 34,244.20, 51,407.90 and 21,764.20 is: 32,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,244.20 : 51,407.90 = 21,764.20 : x
  2. Step 2: Convert to fraction form
    34,244.20/51,407.90 = 21,764.20/x
  3. Step 3: Cross multiply
    34,244.20x = 51,407.90 × 21,764.20
  4. Step 4: Simplify right side
    34,244.20x = 1,118,851,817.18
  5. Step 5: Solve for x
    x = 1,118,851,817.18/34,244.20
  6. Step 6: Final answer
    x = 32,672.74

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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.