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Finding the Fourth Proportional to 28,992.79, 43,434.63 and 22,733.80

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Solution

The fourth proportional to 28,992.79, 43,434.63 and 22,733.80 is: 34,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.79 : 43,434.63 = 22,733.80 : x
  2. Step 2: Convert to fraction form
    28,992.79/43,434.63 = 22,733.80/x
  3. Step 3: Cross multiply
    28,992.79x = 43,434.63 × 22,733.80
  4. Step 4: Simplify right side
    28,992.79x = 987,433,973.87
  5. Step 5: Solve for x
    x = 987,433,973.87/28,992.79
  6. Step 6: Final answer
    x = 34,057.91

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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.