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Finding the Fourth Proportional to 2,495.54, 3,443.84 and 1,376.46

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Solution

The fourth proportional to 2,495.54, 3,443.84 and 1,376.46 is: 1,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.54 : 3,443.84 = 1,376.46 : x
  2. Step 2: Convert to fraction form
    2,495.54/3,443.84 = 1,376.46/x
  3. Step 3: Cross multiply
    2,495.54x = 3,443.84 × 1,376.46
  4. Step 4: Simplify right side
    2,495.54x = 4,740,301.12
  5. Step 5: Solve for x
    x = 4,740,301.12/2,495.54
  6. Step 6: Final answer
    x = 1,899.51

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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.