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Finding the Fourth Proportional to 34,714.25, 47,905.59 and 18,798.65

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Solution

The fourth proportional to 34,714.25, 47,905.59 and 18,798.65 is: 25,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.25 : 47,905.59 = 18,798.65 : x
  2. Step 2: Convert to fraction form
    34,714.25/47,905.59 = 18,798.65/x
  3. Step 3: Cross multiply
    34,714.25x = 47,905.59 × 18,798.65
  4. Step 4: Simplify right side
    34,714.25x = 900,560,085.93
  5. Step 5: Solve for x
    x = 900,560,085.93/34,714.25
  6. Step 6: Final answer
    x = 25,942.09

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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.