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Finding the Fourth Proportional to 11,041.38, 16,573.86 and 4,471.86

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Solution

The fourth proportional to 11,041.38, 16,573.86 and 4,471.86 is: 6,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.38 : 16,573.86 = 4,471.86 : x
  2. Step 2: Convert to fraction form
    11,041.38/16,573.86 = 4,471.86/x
  3. Step 3: Cross multiply
    11,041.38x = 16,573.86 × 4,471.86
  4. Step 4: Simplify right side
    11,041.38x = 74,115,981.58
  5. Step 5: Solve for x
    x = 74,115,981.58/11,041.38
  6. Step 6: Final answer
    x = 6,712.57

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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.