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Finding the Fourth Proportional to 32,428.97, 44,751.37 and 18,281.82

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Solution

The fourth proportional to 32,428.97, 44,751.37 and 18,281.82 is: 25,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.97 : 44,751.37 = 18,281.82 : x
  2. Step 2: Convert to fraction form
    32,428.97/44,751.37 = 18,281.82/x
  3. Step 3: Cross multiply
    32,428.97x = 44,751.37 × 18,281.82
  4. Step 4: Simplify right side
    32,428.97x = 818,136,491.09
  5. Step 5: Solve for x
    x = 818,136,491.09/32,428.97
  6. Step 6: Final answer
    x = 25,228.57

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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.