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Finding the Fourth Proportional to 7,653.88, 11,471.56 and 3,954.08

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Solution

The fourth proportional to 7,653.88, 11,471.56 and 3,954.08 is: 5,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.88 : 11,471.56 = 3,954.08 : x
  2. Step 2: Convert to fraction form
    7,653.88/11,471.56 = 3,954.08/x
  3. Step 3: Cross multiply
    7,653.88x = 11,471.56 × 3,954.08
  4. Step 4: Simplify right side
    7,653.88x = 45,359,465.96
  5. Step 5: Solve for x
    x = 45,359,465.96/7,653.88
  6. Step 6: Final answer
    x = 5,926.34

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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.