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Finding the Fourth Proportional to 32,515.78, 44,871.72 and 17,611.78

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Solution

The fourth proportional to 32,515.78, 44,871.72 and 17,611.78 is: 24,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,515.78 : 44,871.72 = 17,611.78 : x
  2. Step 2: Convert to fraction form
    32,515.78/44,871.72 = 17,611.78/x
  3. Step 3: Cross multiply
    32,515.78x = 44,871.72 × 17,611.78
  4. Step 4: Simplify right side
    32,515.78x = 790,270,860.86
  5. Step 5: Solve for x
    x = 790,270,860.86/32,515.78
  6. Step 6: Final answer
    x = 24,304.23

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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.