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Finding the Fourth Proportional to 30,835.20, 46,206.72 and 16,965.12

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Solution

The fourth proportional to 30,835.20, 46,206.72 and 16,965.12 is: 25,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.20 : 46,206.72 = 16,965.12 : x
  2. Step 2: Convert to fraction form
    30,835.20/46,206.72 = 16,965.12/x
  3. Step 3: Cross multiply
    30,835.20x = 46,206.72 × 16,965.12
  4. Step 4: Simplify right side
    30,835.20x = 783,902,549.61
  5. Step 5: Solve for x
    x = 783,902,549.61/30,835.20
  6. Step 6: Final answer
    x = 25,422.33

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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.