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Finding the Fourth Proportional to 6,540.88, 9,026.16 and 3,556.68

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Solution

The fourth proportional to 6,540.88, 9,026.16 and 3,556.68 is: 4,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.88 : 9,026.16 = 3,556.68 : x
  2. Step 2: Convert to fraction form
    6,540.88/9,026.16 = 3,556.68/x
  3. Step 3: Cross multiply
    6,540.88x = 9,026.16 × 3,556.68
  4. Step 4: Simplify right side
    6,540.88x = 32,103,162.75
  5. Step 5: Solve for x
    x = 32,103,162.75/6,540.88
  6. Step 6: Final answer
    x = 4,908.08

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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.