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Finding the Fourth Proportional to 28,959.84, 43,446.14 and 16,485.75

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Solution

The fourth proportional to 28,959.84, 43,446.14 and 16,485.75 is: 24,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,959.84 : 43,446.14 = 16,485.75 : x
  2. Step 2: Convert to fraction form
    28,959.84/43,446.14 = 16,485.75/x
  3. Step 3: Cross multiply
    28,959.84x = 43,446.14 × 16,485.75
  4. Step 4: Simplify right side
    28,959.84x = 716,242,120.08
  5. Step 5: Solve for x
    x = 716,242,120.08/28,959.84
  6. Step 6: Final answer
    x = 24,732.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.