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Finding the Fourth Proportional to 11,800.60, 16,277.78 and 7,552.60

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Solution

The fourth proportional to 11,800.60, 16,277.78 and 7,552.60 is: 10,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.60 : 16,277.78 = 7,552.60 : x
  2. Step 2: Convert to fraction form
    11,800.60/16,277.78 = 7,552.60/x
  3. Step 3: Cross multiply
    11,800.60x = 16,277.78 × 7,552.60
  4. Step 4: Simplify right side
    11,800.60x = 122,939,561.23
  5. Step 5: Solve for x
    x = 122,939,561.23/11,800.60
  6. Step 6: Final answer
    x = 10,418.08

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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.