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Finding the Fourth Proportional to 1,805.94, 2,709.33 and 1,479.93

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Solution

The fourth proportional to 1,805.94, 2,709.33 and 1,479.93 is: 2,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.94 : 2,709.33 = 1,479.93 : x
  2. Step 2: Convert to fraction form
    1,805.94/2,709.33 = 1,479.93/x
  3. Step 3: Cross multiply
    1,805.94x = 2,709.33 × 1,479.93
  4. Step 4: Simplify right side
    1,805.94x = 4,009,618.75
  5. Step 5: Solve for x
    x = 4,009,618.75/1,805.94
  6. Step 6: Final answer
    x = 2,220.24

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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.