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Finding the Fourth Proportional to 3,218.03, 4,494.30 and 3,218.03

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Solution

The fourth proportional to 3,218.03, 4,494.30 and 3,218.03 is: 4,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.03 : 4,494.30 = 3,218.03 : x
  2. Step 2: Convert to fraction form
    3,218.03/4,494.30 = 3,218.03/x
  3. Step 3: Cross multiply
    3,218.03x = 4,494.30 × 3,218.03
  4. Step 4: Simplify right side
    3,218.03x = 14,462,769.76
  5. Step 5: Solve for x
    x = 14,462,769.76/3,218.03
  6. Step 6: Final answer
    x = 4,494.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.