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Finding the Fourth Proportional to 6,309.01, 8,706.54 and 3,514.51

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Solution

The fourth proportional to 6,309.01, 8,706.54 and 3,514.51 is: 4,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.01 : 8,706.54 = 3,514.51 : x
  2. Step 2: Convert to fraction form
    6,309.01/8,706.54 = 3,514.51/x
  3. Step 3: Cross multiply
    6,309.01x = 8,706.54 × 3,514.51
  4. Step 4: Simplify right side
    6,309.01x = 30,599,221.90
  5. Step 5: Solve for x
    x = 30,599,221.90/6,309.01
  6. Step 6: Final answer
    x = 4,850.08

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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.