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Finding the Fourth Proportional to 57,653.40, 79,561.54 and 32,159.80

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Solution

The fourth proportional to 57,653.40, 79,561.54 and 32,159.80 is: 44,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,653.40 : 79,561.54 = 32,159.80 : x
  2. Step 2: Convert to fraction form
    57,653.40/79,561.54 = 32,159.80/x
  3. Step 3: Cross multiply
    57,653.40x = 79,561.54 × 32,159.80
  4. Step 4: Simplify right side
    57,653.40x = 2,558,683,214.09
  5. Step 5: Solve for x
    x = 2,558,683,214.09/57,653.40
  6. Step 6: Final answer
    x = 44,380.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.