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Finding the Fourth Proportional to 32,819.10, 49,240.80 and 13,111.80

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Solution

The fourth proportional to 32,819.10, 49,240.80 and 13,111.80 is: 19,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,819.10 : 49,240.80 = 13,111.80 : x
  2. Step 2: Convert to fraction form
    32,819.10/49,240.80 = 13,111.80/x
  3. Step 3: Cross multiply
    32,819.10x = 49,240.80 × 13,111.80
  4. Step 4: Simplify right side
    32,819.10x = 645,635,521.44
  5. Step 5: Solve for x
    x = 645,635,521.44/32,819.10
  6. Step 6: Final answer
    x = 19,672.55

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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.