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Finding the Fourth Proportional to 8,480.10, 11,703.11 and 4,704.47

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Solution

The fourth proportional to 8,480.10, 11,703.11 and 4,704.47 is: 6,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.10 : 11,703.11 = 4,704.47 : x
  2. Step 2: Convert to fraction form
    8,480.10/11,703.11 = 4,704.47/x
  3. Step 3: Cross multiply
    8,480.10x = 11,703.11 × 4,704.47
  4. Step 4: Simplify right side
    8,480.10x = 55,056,847.86
  5. Step 5: Solve for x
    x = 55,056,847.86/8,480.10
  6. Step 6: Final answer
    x = 6,492.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.