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Finding the Fourth Proportional to 1,884.52, 2,825.87 and 651.50

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Solution

The fourth proportional to 1,884.52, 2,825.87 and 651.50 is: 976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.52 : 2,825.87 = 651.50 : x
  2. Step 2: Convert to fraction form
    1,884.52/2,825.87 = 651.50/x
  3. Step 3: Cross multiply
    1,884.52x = 2,825.87 × 651.50
  4. Step 4: Simplify right side
    1,884.52x = 1,841,054.31
  5. Step 5: Solve for x
    x = 1,841,054.31/1,884.52
  6. Step 6: Final answer
    x = 976.94

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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.