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Finding the Fourth Proportional to 3,393.65, 4,683.42 and 1,901.49

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Solution

The fourth proportional to 3,393.65, 4,683.42 and 1,901.49 is: 2,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.65 : 4,683.42 = 1,901.49 : x
  2. Step 2: Convert to fraction form
    3,393.65/4,683.42 = 1,901.49/x
  3. Step 3: Cross multiply
    3,393.65x = 4,683.42 × 1,901.49
  4. Step 4: Simplify right side
    3,393.65x = 8,905,476.30
  5. Step 5: Solve for x
    x = 8,905,476.30/3,393.65
  6. Step 6: Final answer
    x = 2,624.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.