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Finding the Fourth Proportional to 3,333.09, 4,995.18 and 1,578.90

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Solution

The fourth proportional to 3,333.09, 4,995.18 and 1,578.90 is: 2,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.09 : 4,995.18 = 1,578.90 : x
  2. Step 2: Convert to fraction form
    3,333.09/4,995.18 = 1,578.90/x
  3. Step 3: Cross multiply
    3,333.09x = 4,995.18 × 1,578.90
  4. Step 4: Simplify right side
    3,333.09x = 7,886,889.70
  5. Step 5: Solve for x
    x = 7,886,889.70/3,333.09
  6. Step 6: Final answer
    x = 2,366.24

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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.