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Finding the Fourth Proportional to 1,723.26, 2,585.24 and 683.07

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Solution

The fourth proportional to 1,723.26, 2,585.24 and 683.07 is: 1,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.26 : 2,585.24 = 683.07 : x
  2. Step 2: Convert to fraction form
    1,723.26/2,585.24 = 683.07/x
  3. Step 3: Cross multiply
    1,723.26x = 2,585.24 × 683.07
  4. Step 4: Simplify right side
    1,723.26x = 1,765,899.89
  5. Step 5: Solve for x
    x = 1,765,899.89/1,723.26
  6. Step 6: Final answer
    x = 1,024.74

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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.