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Finding the Fourth Proportional to 34,714.51, 47,906.07 and 18,798.99

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Solution

The fourth proportional to 34,714.51, 47,906.07 and 18,798.99 is: 25,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.51 : 47,906.07 = 18,798.99 : x
  2. Step 2: Convert to fraction form
    34,714.51/47,906.07 = 18,798.99/x
  3. Step 3: Cross multiply
    34,714.51x = 47,906.07 × 18,798.99
  4. Step 4: Simplify right side
    34,714.51x = 900,585,730.87
  5. Step 5: Solve for x
    x = 900,585,730.87/34,714.51
  6. Step 6: Final answer
    x = 25,942.63

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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.