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Finding the Fourth Proportional to 9,749.01, 13,450.03 and 6,393.69

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Solution

The fourth proportional to 9,749.01, 13,450.03 and 6,393.69 is: 8,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.01 : 13,450.03 = 6,393.69 : x
  2. Step 2: Convert to fraction form
    9,749.01/13,450.03 = 6,393.69/x
  3. Step 3: Cross multiply
    9,749.01x = 13,450.03 × 6,393.69
  4. Step 4: Simplify right side
    9,749.01x = 85,995,322.31
  5. Step 5: Solve for x
    x = 85,995,322.31/9,749.01
  6. Step 6: Final answer
    x = 8,820.93

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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.