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Finding the Fourth Proportional to 9,950.58, 13,731.48 and 5,474.34

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Solution

The fourth proportional to 9,950.58, 13,731.48 and 5,474.34 is: 7,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.58 : 13,731.48 = 5,474.34 : x
  2. Step 2: Convert to fraction form
    9,950.58/13,731.48 = 5,474.34/x
  3. Step 3: Cross multiply
    9,950.58x = 13,731.48 × 5,474.34
  4. Step 4: Simplify right side
    9,950.58x = 75,170,790.22
  5. Step 5: Solve for x
    x = 75,170,790.22/9,950.58
  6. Step 6: Final answer
    x = 7,554.41

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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.