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Finding the Fourth Proportional to 2,750.07, 4,125.04 and 802.29

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Solution

The fourth proportional to 2,750.07, 4,125.04 and 802.29 is: 1,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.07 : 4,125.04 = 802.29 : x
  2. Step 2: Convert to fraction form
    2,750.07/4,125.04 = 802.29/x
  3. Step 3: Cross multiply
    2,750.07x = 4,125.04 × 802.29
  4. Step 4: Simplify right side
    2,750.07x = 3,309,474.33
  5. Step 5: Solve for x
    x = 3,309,474.33/2,750.07
  6. Step 6: Final answer
    x = 1,203.41

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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.