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Finding the Fourth Proportional to 1,822.96, 2,735.52 and 669.52

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Solution

The fourth proportional to 1,822.96, 2,735.52 and 669.52 is: 1,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.96 : 2,735.52 = 669.52 : x
  2. Step 2: Convert to fraction form
    1,822.96/2,735.52 = 669.52/x
  3. Step 3: Cross multiply
    1,822.96x = 2,735.52 × 669.52
  4. Step 4: Simplify right side
    1,822.96x = 1,831,485.35
  5. Step 5: Solve for x
    x = 1,831,485.35/1,822.96
  6. Step 6: Final answer
    x = 1,004.68

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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.