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Finding the Fourth Proportional to 8,508.93, 12,741.53 and 5,212.04

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Solution

The fourth proportional to 8,508.93, 12,741.53 and 5,212.04 is: 7,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.93 : 12,741.53 = 5,212.04 : x
  2. Step 2: Convert to fraction form
    8,508.93/12,741.53 = 5,212.04/x
  3. Step 3: Cross multiply
    8,508.93x = 12,741.53 × 5,212.04
  4. Step 4: Simplify right side
    8,508.93x = 66,409,274.25
  5. Step 5: Solve for x
    x = 66,409,274.25/8,508.93
  6. Step 6: Final answer
    x = 7,804.66

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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.