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Finding the Fourth Proportional to 84,395, 126,573.67 and 25,222.98

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Solution

The fourth proportional to 84,395, 126,573.67 and 25,222.98 is: 37,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,395 : 126,573.67 = 25,222.98 : x
  2. Step 2: Convert to fraction form
    84,395/126,573.67 = 25,222.98/x
  3. Step 3: Cross multiply
    84,395x = 126,573.67 × 25,222.98
  4. Step 4: Simplify right side
    84,395x = 3,192,565,146.94
  5. Step 5: Solve for x
    x = 3,192,565,146.94/84,395
  6. Step 6: Final answer
    x = 37,828.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.