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Finding the Fourth Proportional to 32,361.61, 44,672.80 and 21,757.39

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Solution

The fourth proportional to 32,361.61, 44,672.80 and 21,757.39 is: 30,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,361.61 : 44,672.80 = 21,757.39 : x
  2. Step 2: Convert to fraction form
    32,361.61/44,672.80 = 21,757.39/x
  3. Step 3: Cross multiply
    32,361.61x = 44,672.80 × 21,757.39
  4. Step 4: Simplify right side
    32,361.61x = 971,963,531.99
  5. Step 5: Solve for x
    x = 971,963,531.99/32,361.61
  6. Step 6: Final answer
    x = 30,034.46

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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.