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Finding the Fourth Proportional to 2,554.60, 3,829.18 and 1,456.60

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Solution

The fourth proportional to 2,554.60, 3,829.18 and 1,456.60 is: 2,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.60 : 3,829.18 = 1,456.60 : x
  2. Step 2: Convert to fraction form
    2,554.60/3,829.18 = 1,456.60/x
  3. Step 3: Cross multiply
    2,554.60x = 3,829.18 × 1,456.60
  4. Step 4: Simplify right side
    2,554.60x = 5,577,583.59
  5. Step 5: Solve for x
    x = 5,577,583.59/2,554.60
  6. Step 6: Final answer
    x = 2,183.35

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1.5x scale

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.