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Finding the Fourth Proportional to 58,105.96, 80,212.78 and 44,672.51

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Solution

The fourth proportional to 58,105.96, 80,212.78 and 44,672.51 is: 61,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,105.96 : 80,212.78 = 44,672.51 : x
  2. Step 2: Convert to fraction form
    58,105.96/80,212.78 = 44,672.51/x
  3. Step 3: Cross multiply
    58,105.96x = 80,212.78 × 44,672.51
  4. Step 4: Simplify right side
    58,105.96x = 3,583,306,473.05
  5. Step 5: Solve for x
    x = 3,583,306,473.05/58,105.96
  6. Step 6: Final answer
    x = 61,668.49

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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.