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Finding the Fourth Proportional to 14,625.92, 21,925.92 and 11,178.56

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Solution

The fourth proportional to 14,625.92, 21,925.92 and 11,178.56 is: 16,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.92 : 21,925.92 = 11,178.56 : x
  2. Step 2: Convert to fraction form
    14,625.92/21,925.92 = 11,178.56/x
  3. Step 3: Cross multiply
    14,625.92x = 21,925.92 × 11,178.56
  4. Step 4: Simplify right side
    14,625.92x = 245,100,212.28
  5. Step 5: Solve for x
    x = 245,100,212.28/14,625.92
  6. Step 6: Final answer
    x = 16,757.93

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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.