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Finding the Fourth Proportional to 4,651.95, 6,419.51 and 2,763.48

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Solution

The fourth proportional to 4,651.95, 6,419.51 and 2,763.48 is: 3,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.95 : 6,419.51 = 2,763.48 : x
  2. Step 2: Convert to fraction form
    4,651.95/6,419.51 = 2,763.48/x
  3. Step 3: Cross multiply
    4,651.95x = 6,419.51 × 2,763.48
  4. Step 4: Simplify right side
    4,651.95x = 17,740,208.11
  5. Step 5: Solve for x
    x = 17,740,208.11/4,651.95
  6. Step 6: Final answer
    x = 3,813.50

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1.5x scale

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.