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Finding the Fourth Proportional to 50,806.65, 76,347.86 and 27,130.67

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Solution

The fourth proportional to 50,806.65, 76,347.86 and 27,130.67 is: 40,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,806.65 : 76,347.86 = 27,130.67 : x
  2. Step 2: Convert to fraction form
    50,806.65/76,347.86 = 27,130.67/x
  3. Step 3: Cross multiply
    50,806.65x = 76,347.86 × 27,130.67
  4. Step 4: Simplify right side
    50,806.65x = 2,071,368,471.82
  5. Step 5: Solve for x
    x = 2,071,368,471.82/50,806.65
  6. Step 6: Final answer
    x = 40,769.63

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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.