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Finding the Fourth Proportional to 60,529.72, 90,879.66 and 30,968.76

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Solution

The fourth proportional to 60,529.72, 90,879.66 and 30,968.76 is: 46,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,529.72 : 90,879.66 = 30,968.76 : x
  2. Step 2: Convert to fraction form
    60,529.72/90,879.66 = 30,968.76/x
  3. Step 3: Cross multiply
    60,529.72x = 90,879.66 × 30,968.76
  4. Step 4: Simplify right side
    60,529.72x = 2,814,430,379.42
  5. Step 5: Solve for x
    x = 2,814,430,379.42/60,529.72
  6. Step 6: Final answer
    x = 46,496.67

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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.