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Finding the Fourth Proportional to 1,684.23, 2,526.24 and 759.41

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Solution

The fourth proportional to 1,684.23, 2,526.24 and 759.41 is: 1,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.23 : 2,526.24 = 759.41 : x
  2. Step 2: Convert to fraction form
    1,684.23/2,526.24 = 759.41/x
  3. Step 3: Cross multiply
    1,684.23x = 2,526.24 × 759.41
  4. Step 4: Simplify right side
    1,684.23x = 1,918,451.92
  5. Step 5: Solve for x
    x = 1,918,451.92/1,684.23
  6. Step 6: Final answer
    x = 1,139.07

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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.