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Finding the Fourth Proportional to 6,307.13, 8,703.84 and 3,512.63

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Solution

The fourth proportional to 6,307.13, 8,703.84 and 3,512.63 is: 4,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.13 : 8,703.84 = 3,512.63 : x
  2. Step 2: Convert to fraction form
    6,307.13/8,703.84 = 3,512.63/x
  3. Step 3: Cross multiply
    6,307.13x = 8,703.84 × 3,512.63
  4. Step 4: Simplify right side
    6,307.13x = 30,573,369.50
  5. Step 5: Solve for x
    x = 30,573,369.50/6,307.13
  6. Step 6: Final answer
    x = 4,847.43

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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.