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Finding the Fourth Proportional to 3,368.91, 5,048.46 and 1,900.56

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Solution

The fourth proportional to 3,368.91, 5,048.46 and 1,900.56 is: 2,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.91 : 5,048.46 = 1,900.56 : x
  2. Step 2: Convert to fraction form
    3,368.91/5,048.46 = 1,900.56/x
  3. Step 3: Cross multiply
    3,368.91x = 5,048.46 × 1,900.56
  4. Step 4: Simplify right side
    3,368.91x = 9,594,901.14
  5. Step 5: Solve for x
    x = 9,594,901.14/3,368.91
  6. Step 6: Final answer
    x = 2,848.07

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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.