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Finding the Fourth Proportional to 4,802.43, 7,200.54 and 1,881.03

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Solution

The fourth proportional to 4,802.43, 7,200.54 and 1,881.03 is: 2,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.43 : 7,200.54 = 1,881.03 : x
  2. Step 2: Convert to fraction form
    4,802.43/7,200.54 = 1,881.03/x
  3. Step 3: Cross multiply
    4,802.43x = 7,200.54 × 1,881.03
  4. Step 4: Simplify right side
    4,802.43x = 13,544,431.76
  5. Step 5: Solve for x
    x = 13,544,431.76/4,802.43
  6. Step 6: Final answer
    x = 2,820.33

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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.