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Finding the Fourth Proportional to 3,738.56, 5,602.59 and 2,955.11

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Solution

The fourth proportional to 3,738.56, 5,602.59 and 2,955.11 is: 4,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.56 : 5,602.59 = 2,955.11 : x
  2. Step 2: Convert to fraction form
    3,738.56/5,602.59 = 2,955.11/x
  3. Step 3: Cross multiply
    3,738.56x = 5,602.59 × 2,955.11
  4. Step 4: Simplify right side
    3,738.56x = 16,556,241.72
  5. Step 5: Solve for x
    x = 16,556,241.72/3,738.56
  6. Step 6: Final answer
    x = 4,428.51

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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.