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Finding the Fourth Proportional to 8,557.52, 12,827.63 and 3,563.57

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Solution

The fourth proportional to 8,557.52, 12,827.63 and 3,563.57 is: 5,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.52 : 12,827.63 = 3,563.57 : x
  2. Step 2: Convert to fraction form
    8,557.52/12,827.63 = 3,563.57/x
  3. Step 3: Cross multiply
    8,557.52x = 12,827.63 × 3,563.57
  4. Step 4: Simplify right side
    8,557.52x = 45,712,157.44
  5. Step 5: Solve for x
    x = 45,712,157.44/8,557.52
  6. Step 6: Final answer
    x = 5,341.75

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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.