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Finding the Fourth Proportional to 84,113.79, 126,171.15 and 24,949.89

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Solution

The fourth proportional to 84,113.79, 126,171.15 and 24,949.89 is: 37,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,113.79 : 126,171.15 = 24,949.89 : x
  2. Step 2: Convert to fraction form
    84,113.79/126,171.15 = 24,949.89/x
  3. Step 3: Cross multiply
    84,113.79x = 126,171.15 × 24,949.89
  4. Step 4: Simplify right side
    84,113.79x = 3,147,956,313.67
  5. Step 5: Solve for x
    x = 3,147,956,313.67/84,113.79
  6. Step 6: Final answer
    x = 37,424.97

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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.