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Finding the Fourth Proportional to 29,805.74, 44,708.52 and 7,619.12

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Solution

The fourth proportional to 29,805.74, 44,708.52 and 7,619.12 is: 11,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,805.74 : 44,708.52 = 7,619.12 : x
  2. Step 2: Convert to fraction form
    29,805.74/44,708.52 = 7,619.12/x
  3. Step 3: Cross multiply
    29,805.74x = 44,708.52 × 7,619.12
  4. Step 4: Simplify right side
    29,805.74x = 340,639,578.90
  5. Step 5: Solve for x
    x = 340,639,578.90/29,805.74
  6. Step 6: Final answer
    x = 11,428.66

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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.