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Finding the Fourth Proportional to 3,319.96, 5,002.10 and 3,003.72

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Solution

The fourth proportional to 3,319.96, 5,002.10 and 3,003.72 is: 4,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.96 : 5,002.10 = 3,003.72 : x
  2. Step 2: Convert to fraction form
    3,319.96/5,002.10 = 3,003.72/x
  3. Step 3: Cross multiply
    3,319.96x = 5,002.10 × 3,003.72
  4. Step 4: Simplify right side
    3,319.96x = 15,024,907.81
  5. Step 5: Solve for x
    x = 15,024,907.81/3,319.96
  6. Step 6: Final answer
    x = 4,525.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.