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Finding the Fourth Proportional to 11,804.85, 17,697.85 and 5,561.57

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Solution

The fourth proportional to 11,804.85, 17,697.85 and 5,561.57 is: 8,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.85 : 17,697.85 = 5,561.57 : x
  2. Step 2: Convert to fraction form
    11,804.85/17,697.85 = 5,561.57/x
  3. Step 3: Cross multiply
    11,804.85x = 17,697.85 × 5,561.57
  4. Step 4: Simplify right side
    11,804.85x = 98,427,831.62
  5. Step 5: Solve for x
    x = 98,427,831.62/11,804.85
  6. Step 6: Final answer
    x = 8,337.91

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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.