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Finding the Fourth Proportional to 1,694.76, 2,341.08 and 1,326.39

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Solution

The fourth proportional to 1,694.76, 2,341.08 and 1,326.39 is: 1,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.76 : 2,341.08 = 1,326.39 : x
  2. Step 2: Convert to fraction form
    1,694.76/2,341.08 = 1,326.39/x
  3. Step 3: Cross multiply
    1,694.76x = 2,341.08 × 1,326.39
  4. Step 4: Simplify right side
    1,694.76x = 3,105,185.10
  5. Step 5: Solve for x
    x = 3,105,185.10/1,694.76
  6. Step 6: Final answer
    x = 1,832.23

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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.