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Finding the Fourth Proportional to 2,327.83, 3,492.09 and 684.18

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Solution

The fourth proportional to 2,327.83, 3,492.09 and 684.18 is: 1,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.83 : 3,492.09 = 684.18 : x
  2. Step 2: Convert to fraction form
    2,327.83/3,492.09 = 684.18/x
  3. Step 3: Cross multiply
    2,327.83x = 3,492.09 × 684.18
  4. Step 4: Simplify right side
    2,327.83x = 2,389,218.14
  5. Step 5: Solve for x
    x = 2,389,218.14/2,327.83
  6. Step 6: Final answer
    x = 1,026.37

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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.