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Finding the Fourth Proportional to 2,750.36, 4,125.14 and 802.32

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Solution

The fourth proportional to 2,750.36, 4,125.14 and 802.32 is: 1,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.36 : 4,125.14 = 802.32 : x
  2. Step 2: Convert to fraction form
    2,750.36/4,125.14 = 802.32/x
  3. Step 3: Cross multiply
    2,750.36x = 4,125.14 × 802.32
  4. Step 4: Simplify right side
    2,750.36x = 3,309,682.32
  5. Step 5: Solve for x
    x = 3,309,682.32/2,750.36
  6. Step 6: Final answer
    x = 1,203.36

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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.