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Finding the Fourth Proportional to 3,482.99, 4,806.43 and 1,889.57

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Solution

The fourth proportional to 3,482.99, 4,806.43 and 1,889.57 is: 2,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.99 : 4,806.43 = 1,889.57 : x
  2. Step 2: Convert to fraction form
    3,482.99/4,806.43 = 1,889.57/x
  3. Step 3: Cross multiply
    3,482.99x = 4,806.43 × 1,889.57
  4. Step 4: Simplify right side
    3,482.99x = 9,082,093.23
  5. Step 5: Solve for x
    x = 9,082,093.23/3,482.99
  6. Step 6: Final answer
    x = 2,607.55

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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.