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Finding the Fourth Proportional to 28,797.96, 39,736.36 and 16,048.34

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Solution

The fourth proportional to 28,797.96, 39,736.36 and 16,048.34 is: 22,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.96 : 39,736.36 = 16,048.34 : x
  2. Step 2: Convert to fraction form
    28,797.96/39,736.36 = 16,048.34/x
  3. Step 3: Cross multiply
    28,797.96x = 39,736.36 × 16,048.34
  4. Step 4: Simplify right side
    28,797.96x = 637,702,854.69
  5. Step 5: Solve for x
    x = 637,702,854.69/28,797.96
  6. Step 6: Final answer
    x = 22,144.03

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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.