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Finding the Fourth Proportional to 2,235.79, 3,353.28 and 1,003.24

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Solution

The fourth proportional to 2,235.79, 3,353.28 and 1,003.24 is: 1,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.79 : 3,353.28 = 1,003.24 : x
  2. Step 2: Convert to fraction form
    2,235.79/3,353.28 = 1,003.24/x
  3. Step 3: Cross multiply
    2,235.79x = 3,353.28 × 1,003.24
  4. Step 4: Simplify right side
    2,235.79x = 3,364,144.63
  5. Step 5: Solve for x
    x = 3,364,144.63/2,235.79
  6. Step 6: Final answer
    x = 1,504.68

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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.