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Finding the Fourth Proportional to 1,495.85, 2,064.15 and 832.86

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Solution

The fourth proportional to 1,495.85, 2,064.15 and 832.86 is: 1,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.85 : 2,064.15 = 832.86 : x
  2. Step 2: Convert to fraction form
    1,495.85/2,064.15 = 832.86/x
  3. Step 3: Cross multiply
    1,495.85x = 2,064.15 × 832.86
  4. Step 4: Simplify right side
    1,495.85x = 1,719,147.97
  5. Step 5: Solve for x
    x = 1,719,147.97/1,495.85
  6. Step 6: Final answer
    x = 1,149.28

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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.