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Finding the Fourth Proportional to 1,840.01, 2,539.16 and 1,000.68

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Solution

The fourth proportional to 1,840.01, 2,539.16 and 1,000.68 is: 1,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.01 : 2,539.16 = 1,000.68 : x
  2. Step 2: Convert to fraction form
    1,840.01/2,539.16 = 1,000.68/x
  3. Step 3: Cross multiply
    1,840.01x = 2,539.16 × 1,000.68
  4. Step 4: Simplify right side
    1,840.01x = 2,540,886.63
  5. Step 5: Solve for x
    x = 2,540,886.63/1,840.01
  6. Step 6: Final answer
    x = 1,380.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.