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Finding the Fourth Proportional to 9,686.44, 14,529.66 and 3,529

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Solution

The fourth proportional to 9,686.44, 14,529.66 and 3,529 is: 5,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.44 : 14,529.66 = 3,529 : x
  2. Step 2: Convert to fraction form
    9,686.44/14,529.66 = 3,529/x
  3. Step 3: Cross multiply
    9,686.44x = 14,529.66 × 3,529
  4. Step 4: Simplify right side
    9,686.44x = 51,275,170.14
  5. Step 5: Solve for x
    x = 51,275,170.14/9,686.44
  6. Step 6: Final answer
    x = 5,293.50

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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.