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Finding the Fourth Proportional to 1,840.10, 2,760.50 and 1,182.63

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Solution

The fourth proportional to 1,840.10, 2,760.50 and 1,182.63 is: 1,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.10 : 2,760.50 = 1,182.63 : x
  2. Step 2: Convert to fraction form
    1,840.10/2,760.50 = 1,182.63/x
  3. Step 3: Cross multiply
    1,840.10x = 2,760.50 × 1,182.63
  4. Step 4: Simplify right side
    1,840.10x = 3,264,644.20
  5. Step 5: Solve for x
    x = 3,264,644.20/1,840.10
  6. Step 6: Final answer
    x = 1,774.17

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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.