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Finding the Fourth Proportional to 32,885.76, 45,377.16 and 18,733.44

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Solution

The fourth proportional to 32,885.76, 45,377.16 and 18,733.44 is: 25,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.76 : 45,377.16 = 18,733.44 : x
  2. Step 2: Convert to fraction form
    32,885.76/45,377.16 = 18,733.44/x
  3. Step 3: Cross multiply
    32,885.76x = 45,377.16 × 18,733.44
  4. Step 4: Simplify right side
    32,885.76x = 850,070,304.23
  5. Step 5: Solve for x
    x = 850,070,304.23/32,885.76
  6. Step 6: Final answer
    x = 25,849.19

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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.