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Finding the Fourth Proportional to 1,751.36, 2,416.88 and 965.41

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Solution

The fourth proportional to 1,751.36, 2,416.88 and 965.41 is: 1,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.36 : 2,416.88 = 965.41 : x
  2. Step 2: Convert to fraction form
    1,751.36/2,416.88 = 965.41/x
  3. Step 3: Cross multiply
    1,751.36x = 2,416.88 × 965.41
  4. Step 4: Simplify right side
    1,751.36x = 2,333,280.12
  5. Step 5: Solve for x
    x = 2,333,280.12/1,751.36
  6. Step 6: Final answer
    x = 1,332.27

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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.