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Finding the Fourth Proportional to 2,015.64, 3,023.46 and 554.82

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Solution

The fourth proportional to 2,015.64, 3,023.46 and 554.82 is: 832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.64 : 3,023.46 = 554.82 : x
  2. Step 2: Convert to fraction form
    2,015.64/3,023.46 = 554.82/x
  3. Step 3: Cross multiply
    2,015.64x = 3,023.46 × 554.82
  4. Step 4: Simplify right side
    2,015.64x = 1,677,476.08
  5. Step 5: Solve for x
    x = 1,677,476.08/2,015.64
  6. Step 6: Final answer
    x = 832.23

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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.