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Finding the Fourth Proportional to 1,854.52, 2,782.26 and 965.32

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Solution

The fourth proportional to 1,854.52, 2,782.26 and 965.32 is: 1,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.52 : 2,782.26 = 965.32 : x
  2. Step 2: Convert to fraction form
    1,854.52/2,782.26 = 965.32/x
  3. Step 3: Cross multiply
    1,854.52x = 2,782.26 × 965.32
  4. Step 4: Simplify right side
    1,854.52x = 2,685,771.22
  5. Step 5: Solve for x
    x = 2,685,771.22/1,854.52
  6. Step 6: Final answer
    x = 1,448.23

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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.