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Finding the Fourth Proportional to 2,393.39, 3,305.94 and 1,830.44

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Solution

The fourth proportional to 2,393.39, 3,305.94 and 1,830.44 is: 2,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.39 : 3,305.94 = 1,830.44 : x
  2. Step 2: Convert to fraction form
    2,393.39/3,305.94 = 1,830.44/x
  3. Step 3: Cross multiply
    2,393.39x = 3,305.94 × 1,830.44
  4. Step 4: Simplify right side
    2,393.39x = 6,051,324.81
  5. Step 5: Solve for x
    x = 6,051,324.81/2,393.39
  6. Step 6: Final answer
    x = 2,528.35

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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.