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Finding the Fourth Proportional to 1,052.26, 1,452.15 and 586.51

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Solution

The fourth proportional to 1,052.26, 1,452.15 and 586.51 is: 809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.26 : 1,452.15 = 586.51 : x
  2. Step 2: Convert to fraction form
    1,052.26/1,452.15 = 586.51/x
  3. Step 3: Cross multiply
    1,052.26x = 1,452.15 × 586.51
  4. Step 4: Simplify right side
    1,052.26x = 851,700.50
  5. Step 5: Solve for x
    x = 851,700.50/1,052.26
  6. Step 6: Final answer
    x = 809.40

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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.