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Finding the Fourth Proportional to 4,651.22, 6,978.45 and 1,730.36

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Solution

The fourth proportional to 4,651.22, 6,978.45 and 1,730.36 is: 2,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.22 : 6,978.45 = 1,730.36 : x
  2. Step 2: Convert to fraction form
    4,651.22/6,978.45 = 1,730.36/x
  3. Step 3: Cross multiply
    4,651.22x = 6,978.45 × 1,730.36
  4. Step 4: Simplify right side
    4,651.22x = 12,075,230.74
  5. Step 5: Solve for x
    x = 12,075,230.74/4,651.22
  6. Step 6: Final answer
    x = 2,596.14

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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.