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Finding the Fourth Proportional to 3,482.44, 4,805.80 and 1,910.64

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Solution

The fourth proportional to 3,482.44, 4,805.80 and 1,910.64 is: 2,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.44 : 4,805.80 = 1,910.64 : x
  2. Step 2: Convert to fraction form
    3,482.44/4,805.80 = 1,910.64/x
  3. Step 3: Cross multiply
    3,482.44x = 4,805.80 × 1,910.64
  4. Step 4: Simplify right side
    3,482.44x = 9,182,153.71
  5. Step 5: Solve for x
    x = 9,182,153.71/3,482.44
  6. Step 6: Final answer
    x = 2,636.70

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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.