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Finding the Fourth Proportional to 3,007.88, 4,509.77 and 1,838.29

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Solution

The fourth proportional to 3,007.88, 4,509.77 and 1,838.29 is: 2,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.88 : 4,509.77 = 1,838.29 : x
  2. Step 2: Convert to fraction form
    3,007.88/4,509.77 = 1,838.29/x
  3. Step 3: Cross multiply
    3,007.88x = 4,509.77 × 1,838.29
  4. Step 4: Simplify right side
    3,007.88x = 8,290,244.63
  5. Step 5: Solve for x
    x = 8,290,244.63/3,007.88
  6. Step 6: Final answer
    x = 2,756.18

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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.