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Finding the Fourth Proportional to 1,184.54, 1,774.78 and 837.25

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Solution

The fourth proportional to 1,184.54, 1,774.78 and 837.25 is: 1,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.54 : 1,774.78 = 837.25 : x
  2. Step 2: Convert to fraction form
    1,184.54/1,774.78 = 837.25/x
  3. Step 3: Cross multiply
    1,184.54x = 1,774.78 × 837.25
  4. Step 4: Simplify right side
    1,184.54x = 1,485,928.02
  5. Step 5: Solve for x
    x = 1,485,928.02/1,184.54
  6. Step 6: Final answer
    x = 1,254.44

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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.