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Finding the Fourth Proportional to 1,802.07, 2,702.39 and 968.49

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Solution

The fourth proportional to 1,802.07, 2,702.39 and 968.49 is: 1,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.07 : 2,702.39 = 968.49 : x
  2. Step 2: Convert to fraction form
    1,802.07/2,702.39 = 968.49/x
  3. Step 3: Cross multiply
    1,802.07x = 2,702.39 × 968.49
  4. Step 4: Simplify right side
    1,802.07x = 2,617,232.85
  5. Step 5: Solve for x
    x = 2,617,232.85/1,802.07
  6. Step 6: Final answer
    x = 1,452.35

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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.