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Finding the Fourth Proportional to 1,800.59, 2,702.90 and 1,394.62

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Solution

The fourth proportional to 1,800.59, 2,702.90 and 1,394.62 is: 2,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.59 : 2,702.90 = 1,394.62 : x
  2. Step 2: Convert to fraction form
    1,800.59/2,702.90 = 1,394.62/x
  3. Step 3: Cross multiply
    1,800.59x = 2,702.90 × 1,394.62
  4. Step 4: Simplify right side
    1,800.59x = 3,769,515.13
  5. Step 5: Solve for x
    x = 3,769,515.13/1,800.59
  6. Step 6: Final answer
    x = 2,093.49

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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.