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Finding the Fourth Proportional to 1,840.92, 2,539.64 and 1,094.47

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Solution

The fourth proportional to 1,840.92, 2,539.64 and 1,094.47 is: 1,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.92 : 2,539.64 = 1,094.47 : x
  2. Step 2: Convert to fraction form
    1,840.92/2,539.64 = 1,094.47/x
  3. Step 3: Cross multiply
    1,840.92x = 2,539.64 × 1,094.47
  4. Step 4: Simplify right side
    1,840.92x = 2,779,550.02
  5. Step 5: Solve for x
    x = 2,779,550.02/1,840.92
  6. Step 6: Final answer
    x = 1,509.87

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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.