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Finding the Fourth Proportional to 29,806.71, 44,709.89 and 7,620.05

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Solution

The fourth proportional to 29,806.71, 44,709.89 and 7,620.05 is: 11,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.71 : 44,709.89 = 7,620.05 : x
  2. Step 2: Convert to fraction form
    29,806.71/44,709.89 = 7,620.05/x
  3. Step 3: Cross multiply
    29,806.71x = 44,709.89 × 7,620.05
  4. Step 4: Simplify right side
    29,806.71x = 340,691,597.29
  5. Step 5: Solve for x
    x = 340,691,597.29/29,806.71
  6. Step 6: Final answer
    x = 11,430.03

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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.