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Finding the Fourth Proportional to 32,786.03, 45,244.52 and 18,638.88

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Solution

The fourth proportional to 32,786.03, 45,244.52 and 18,638.88 is: 25,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.03 : 45,244.52 = 18,638.88 : x
  2. Step 2: Convert to fraction form
    32,786.03/45,244.52 = 18,638.88/x
  3. Step 3: Cross multiply
    32,786.03x = 45,244.52 × 18,638.88
  4. Step 4: Simplify right side
    32,786.03x = 843,307,085.74
  5. Step 5: Solve for x
    x = 843,307,085.74/32,786.03
  6. Step 6: Final answer
    x = 25,721.54

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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.