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Finding the Fourth Proportional to 2,933.52, 4,392.12 and 2,007.12

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Solution

The fourth proportional to 2,933.52, 4,392.12 and 2,007.12 is: 3,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.52 : 4,392.12 = 2,007.12 : x
  2. Step 2: Convert to fraction form
    2,933.52/4,392.12 = 2,007.12/x
  3. Step 3: Cross multiply
    2,933.52x = 4,392.12 × 2,007.12
  4. Step 4: Simplify right side
    2,933.52x = 8,815,511.89
  5. Step 5: Solve for x
    x = 8,815,511.89/2,933.52
  6. Step 6: Final answer
    x = 3,005.10

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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.