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Finding the Fourth Proportional to 2,313.01, 3,468.98 and 669.12

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Solution

The fourth proportional to 2,313.01, 3,468.98 and 669.12 is: 1,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.01 : 3,468.98 = 669.12 : x
  2. Step 2: Convert to fraction form
    2,313.01/3,468.98 = 669.12/x
  3. Step 3: Cross multiply
    2,313.01x = 3,468.98 × 669.12
  4. Step 4: Simplify right side
    2,313.01x = 2,321,143.21
  5. Step 5: Solve for x
    x = 2,321,143.21/2,313.01
  6. Step 6: Final answer
    x = 1,003.52

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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.