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Finding the Fourth Proportional to 38,846.99, 53,811.89 and 38,059.67

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Solution

The fourth proportional to 38,846.99, 53,811.89 and 38,059.67 is: 52,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846.99 : 53,811.89 = 38,059.67 : x
  2. Step 2: Convert to fraction form
    38,846.99/53,811.89 = 38,059.67/x
  3. Step 3: Cross multiply
    38,846.99x = 53,811.89 × 38,059.67
  4. Step 4: Simplify right side
    38,846.99x = 2,048,063,076.52
  5. Step 5: Solve for x
    x = 2,048,063,076.52/38,846.99
  6. Step 6: Final answer
    x = 52,721.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.