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Finding the Fourth Proportional to 34,759.48, 47,968.04 and 18,843.80

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Solution

The fourth proportional to 34,759.48, 47,968.04 and 18,843.80 is: 26,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,759.48 : 47,968.04 = 18,843.80 : x
  2. Step 2: Convert to fraction form
    34,759.48/47,968.04 = 18,843.80/x
  3. Step 3: Cross multiply
    34,759.48x = 47,968.04 × 18,843.80
  4. Step 4: Simplify right side
    34,759.48x = 903,900,152.15
  5. Step 5: Solve for x
    x = 903,900,152.15/34,759.48
  6. Step 6: Final answer
    x = 26,004.42

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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.