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Finding the Fourth Proportional to 32,858.40, 45,344.54 and 18,711.25

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Solution

The fourth proportional to 32,858.40, 45,344.54 and 18,711.25 is: 25,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.40 : 45,344.54 = 18,711.25 : x
  2. Step 2: Convert to fraction form
    32,858.40/45,344.54 = 18,711.25/x
  3. Step 3: Cross multiply
    32,858.40x = 45,344.54 × 18,711.25
  4. Step 4: Simplify right side
    32,858.40x = 848,452,957.49
  5. Step 5: Solve for x
    x = 848,452,957.49/32,858.40
  6. Step 6: Final answer
    x = 25,821.49

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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.