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Finding the Fourth Proportional to 61,052.40, 91,583.64 and 16,679.52

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Solution

The fourth proportional to 61,052.40, 91,583.64 and 16,679.52 is: 25,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,052.40 : 91,583.64 = 16,679.52 : x
  2. Step 2: Convert to fraction form
    61,052.40/91,583.64 = 16,679.52/x
  3. Step 3: Cross multiply
    61,052.40x = 91,583.64 × 16,679.52
  4. Step 4: Simplify right side
    61,052.40x = 1,527,571,155.05
  5. Step 5: Solve for x
    x = 1,527,571,155.05/61,052.40
  6. Step 6: Final answer
    x = 25,020.66

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Why These Related Problems?

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