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Finding the Fourth Proportional to 28,002, 38,648.44 and 16,073.56

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Solution

The fourth proportional to 28,002, 38,648.44 and 16,073.56 is: 22,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002 : 38,648.44 = 16,073.56 : x
  2. Step 2: Convert to fraction form
    28,002/38,648.44 = 16,073.56/x
  3. Step 3: Cross multiply
    28,002x = 38,648.44 × 16,073.56
  4. Step 4: Simplify right side
    28,002x = 621,218,019.25
  5. Step 5: Solve for x
    x = 621,218,019.25/28,002
  6. Step 6: Final answer
    x = 22,184.77

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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.