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Finding the Fourth Proportional to 1,884.56, 2,825.16 and 730.04

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Solution

The fourth proportional to 1,884.56, 2,825.16 and 730.04 is: 1,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.56 : 2,825.16 = 730.04 : x
  2. Step 2: Convert to fraction form
    1,884.56/2,825.16 = 730.04/x
  3. Step 3: Cross multiply
    1,884.56x = 2,825.16 × 730.04
  4. Step 4: Simplify right side
    1,884.56x = 2,062,479.81
  5. Step 5: Solve for x
    x = 2,062,479.81/1,884.56
  6. Step 6: Final answer
    x = 1,094.41

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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.