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Finding the Fourth Proportional to 34,710.88, 47,900.80 and 18,794.96

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Solution

The fourth proportional to 34,710.88, 47,900.80 and 18,794.96 is: 25,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,710.88 : 47,900.80 = 18,794.96 : x
  2. Step 2: Convert to fraction form
    34,710.88/47,900.80 = 18,794.96/x
  3. Step 3: Cross multiply
    34,710.88x = 47,900.80 × 18,794.96
  4. Step 4: Simplify right side
    34,710.88x = 900,293,619.97
  5. Step 5: Solve for x
    x = 900,293,619.97/34,710.88
  6. Step 6: Final answer
    x = 25,936.93

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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.