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Finding the Fourth Proportional to 8,558.56, 12,827.24 and 4,849.55

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Solution

The fourth proportional to 8,558.56, 12,827.24 and 4,849.55 is: 7,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.56 : 12,827.24 = 4,849.55 : x
  2. Step 2: Convert to fraction form
    8,558.56/12,827.24 = 4,849.55/x
  3. Step 3: Cross multiply
    8,558.56x = 12,827.24 × 4,849.55
  4. Step 4: Simplify right side
    8,558.56x = 62,206,341.74
  5. Step 5: Solve for x
    x = 62,206,341.74/8,558.56
  6. Step 6: Final answer
    x = 7,268.32

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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.