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Finding the Fourth Proportional to 9,019.46, 13,529.19 and 3,174.73

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Solution

The fourth proportional to 9,019.46, 13,529.19 and 3,174.73 is: 4,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.46 : 13,529.19 = 3,174.73 : x
  2. Step 2: Convert to fraction form
    9,019.46/13,529.19 = 3,174.73/x
  3. Step 3: Cross multiply
    9,019.46x = 13,529.19 × 3,174.73
  4. Step 4: Simplify right side
    9,019.46x = 42,951,525.37
  5. Step 5: Solve for x
    x = 42,951,525.37/9,019.46
  6. Step 6: Final answer
    x = 4,762.10

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Half scale
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Double scale
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Similar ratio
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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.