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Finding the Fourth Proportional to 4,776.86, 7,168.08 and 2,003.32

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Solution

The fourth proportional to 4,776.86, 7,168.08 and 2,003.32 is: 3,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.86 : 7,168.08 = 2,003.32 : x
  2. Step 2: Convert to fraction form
    4,776.86/7,168.08 = 2,003.32/x
  3. Step 3: Cross multiply
    4,776.86x = 7,168.08 × 2,003.32
  4. Step 4: Simplify right side
    4,776.86x = 14,359,958.03
  5. Step 5: Solve for x
    x = 14,359,958.03/4,776.86
  6. Step 6: Final answer
    x = 3,006.15

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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.