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Finding the Fourth Proportional to 60,806.46, 83,846.76 and 39,546.30

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Solution

The fourth proportional to 60,806.46, 83,846.76 and 39,546.30 is: 54,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,806.46 : 83,846.76 = 39,546.30 : x
  2. Step 2: Convert to fraction form
    60,806.46/83,846.76 = 39,546.30/x
  3. Step 3: Cross multiply
    60,806.46x = 83,846.76 × 39,546.30
  4. Step 4: Simplify right side
    60,806.46x = 3,315,829,124.99
  5. Step 5: Solve for x
    x = 3,315,829,124.99/60,806.46
  6. Step 6: Final answer
    x = 54,530.87

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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.