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Finding the Fourth Proportional to 40,446.91, 60,670.50 and 12,366.85

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Solution

The fourth proportional to 40,446.91, 60,670.50 and 12,366.85 is: 18,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,446.91 : 60,670.50 = 12,366.85 : x
  2. Step 2: Convert to fraction form
    40,446.91/60,670.50 = 12,366.85/x
  3. Step 3: Cross multiply
    40,446.91x = 60,670.50 × 12,366.85
  4. Step 4: Simplify right side
    40,446.91x = 750,302,972.93
  5. Step 5: Solve for x
    x = 750,302,972.93/40,446.91
  6. Step 6: Final answer
    x = 18,550.32

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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.