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Finding the Fourth Proportional to 11,992.48, 16,555.52 and 8,235.52

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Solution

The fourth proportional to 11,992.48, 16,555.52 and 8,235.52 is: 11,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.48 : 16,555.52 = 8,235.52 : x
  2. Step 2: Convert to fraction form
    11,992.48/16,555.52 = 8,235.52/x
  3. Step 3: Cross multiply
    11,992.48x = 16,555.52 × 8,235.52
  4. Step 4: Simplify right side
    11,992.48x = 136,343,316.07
  5. Step 5: Solve for x
    x = 136,343,316.07/11,992.48
  6. Step 6: Final answer
    x = 11,369.07

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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.