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Finding the Fourth Proportional to 4,755.54, 6,561.02 and 2,866.41

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Solution

The fourth proportional to 4,755.54, 6,561.02 and 2,866.41 is: 3,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.54 : 6,561.02 = 2,866.41 : x
  2. Step 2: Convert to fraction form
    4,755.54/6,561.02 = 2,866.41/x
  3. Step 3: Cross multiply
    4,755.54x = 6,561.02 × 2,866.41
  4. Step 4: Simplify right side
    4,755.54x = 18,806,573.34
  5. Step 5: Solve for x
    x = 18,806,573.34/4,755.54
  6. Step 6: Final answer
    x = 3,954.67

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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.