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Finding the Fourth Proportional to 6,888.95, 9,506.94 and 3,745.34

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Solution

The fourth proportional to 6,888.95, 9,506.94 and 3,745.34 is: 5,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.95 : 9,506.94 = 3,745.34 : x
  2. Step 2: Convert to fraction form
    6,888.95/9,506.94 = 3,745.34/x
  3. Step 3: Cross multiply
    6,888.95x = 9,506.94 × 3,745.34
  4. Step 4: Simplify right side
    6,888.95x = 35,606,675.12
  5. Step 5: Solve for x
    x = 35,606,675.12/6,888.95
  6. Step 6: Final answer
    x = 5,168.67

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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.