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Finding the Fourth Proportional to 3,236.04, 4,852.80 and 1,388.04

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Solution

The fourth proportional to 3,236.04, 4,852.80 and 1,388.04 is: 2,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.04 : 4,852.80 = 1,388.04 : x
  2. Step 2: Convert to fraction form
    3,236.04/4,852.80 = 1,388.04/x
  3. Step 3: Cross multiply
    3,236.04x = 4,852.80 × 1,388.04
  4. Step 4: Simplify right side
    3,236.04x = 6,735,880.51
  5. Step 5: Solve for x
    x = 6,735,880.51/3,236.04
  6. Step 6: Final answer
    x = 2,081.52

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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.