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Finding the Fourth Proportional to 28,599, 39,468.24 and 16,027.80

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Solution

The fourth proportional to 28,599, 39,468.24 and 16,027.80 is: 22,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599 : 39,468.24 = 16,027.80 : x
  2. Step 2: Convert to fraction form
    28,599/39,468.24 = 16,027.80/x
  3. Step 3: Cross multiply
    28,599x = 39,468.24 × 16,027.80
  4. Step 4: Simplify right side
    28,599x = 632,589,057.07
  5. Step 5: Solve for x
    x = 632,589,057.07/28,599
  6. Step 6: Final answer
    x = 22,119.27

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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.