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Finding the Fourth Proportional to 30,605.14, 45,914.19 and 9,843.22

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Solution

The fourth proportional to 30,605.14, 45,914.19 and 9,843.22 is: 14,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605.14 : 45,914.19 = 9,843.22 : x
  2. Step 2: Convert to fraction form
    30,605.14/45,914.19 = 9,843.22/x
  3. Step 3: Cross multiply
    30,605.14x = 45,914.19 × 9,843.22
  4. Step 4: Simplify right side
    30,605.14x = 451,943,473.29
  5. Step 5: Solve for x
    x = 451,943,473.29/30,605.14
  6. Step 6: Final answer
    x = 14,766.91

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1.5x scale

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.