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Finding the Fourth Proportional to 2,428.08, 3,643.08 and 1,454.88

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Solution

The fourth proportional to 2,428.08, 3,643.08 and 1,454.88 is: 2,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.08 : 3,643.08 = 1,454.88 : x
  2. Step 2: Convert to fraction form
    2,428.08/3,643.08 = 1,454.88/x
  3. Step 3: Cross multiply
    2,428.08x = 3,643.08 × 1,454.88
  4. Step 4: Simplify right side
    2,428.08x = 5,300,244.23
  5. Step 5: Solve for x
    x = 5,300,244.23/2,428.08
  6. Step 6: Final answer
    x = 2,182.90

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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.