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Finding the Fourth Proportional to 2,762.01, 4,143.02 and 682.02

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Solution

The fourth proportional to 2,762.01, 4,143.02 and 682.02 is: 1,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.01 : 4,143.02 = 682.02 : x
  2. Step 2: Convert to fraction form
    2,762.01/4,143.02 = 682.02/x
  3. Step 3: Cross multiply
    2,762.01x = 4,143.02 × 682.02
  4. Step 4: Simplify right side
    2,762.01x = 2,825,622.50
  5. Step 5: Solve for x
    x = 2,825,622.50/2,762.01
  6. Step 6: Final answer
    x = 1,023.03

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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.