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Finding the Fourth Proportional to 34,589.76, 47,734.68 and 19,481.22

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Solution

The fourth proportional to 34,589.76, 47,734.68 and 19,481.22 is: 26,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,589.76 : 47,734.68 = 19,481.22 : x
  2. Step 2: Convert to fraction form
    34,589.76/47,734.68 = 19,481.22/x
  3. Step 3: Cross multiply
    34,589.76x = 47,734.68 × 19,481.22
  4. Step 4: Simplify right side
    34,589.76x = 929,929,802.71
  5. Step 5: Solve for x
    x = 929,929,802.71/34,589.76
  6. Step 6: Final answer
    x = 26,884.54

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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.