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Finding the Fourth Proportional to 8,475.19, 11,695.73 and 4,749.19

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Solution

The fourth proportional to 8,475.19, 11,695.73 and 4,749.19 is: 6,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.19 : 11,695.73 = 4,749.19 : x
  2. Step 2: Convert to fraction form
    8,475.19/11,695.73 = 4,749.19/x
  3. Step 3: Cross multiply
    8,475.19x = 11,695.73 × 4,749.19
  4. Step 4: Simplify right side
    8,475.19x = 55,545,243.96
  5. Step 5: Solve for x
    x = 55,545,243.96/8,475.19
  6. Step 6: Final answer
    x = 6,553.86

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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.