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Finding the Fourth Proportional to 4,628.25, 6,941.25 and 1,855.53

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Solution

The fourth proportional to 4,628.25, 6,941.25 and 1,855.53 is: 2,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.25 : 6,941.25 = 1,855.53 : x
  2. Step 2: Convert to fraction form
    4,628.25/6,941.25 = 1,855.53/x
  3. Step 3: Cross multiply
    4,628.25x = 6,941.25 × 1,855.53
  4. Step 4: Simplify right side
    4,628.25x = 12,879,697.61
  5. Step 5: Solve for x
    x = 12,879,697.61/4,628.25
  6. Step 6: Final answer
    x = 2,782.84

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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.