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Finding the Fourth Proportional to 28,604.25, 39,476.03 and 16,029.81

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Solution

The fourth proportional to 28,604.25, 39,476.03 and 16,029.81 is: 22,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.25 : 39,476.03 = 16,029.81 : x
  2. Step 2: Convert to fraction form
    28,604.25/39,476.03 = 16,029.81/x
  3. Step 3: Cross multiply
    28,604.25x = 39,476.03 × 16,029.81
  4. Step 4: Simplify right side
    28,604.25x = 632,793,180.31
  5. Step 5: Solve for x
    x = 632,793,180.31/28,604.25
  6. Step 6: Final answer
    x = 22,122.35

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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.