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Finding the Fourth Proportional to 8,437.42, 12,656.04 and 3,244.42

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Solution

The fourth proportional to 8,437.42, 12,656.04 and 3,244.42 is: 4,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.42 : 12,656.04 = 3,244.42 : x
  2. Step 2: Convert to fraction form
    8,437.42/12,656.04 = 3,244.42/x
  3. Step 3: Cross multiply
    8,437.42x = 12,656.04 × 3,244.42
  4. Step 4: Simplify right side
    8,437.42x = 41,061,509.30
  5. Step 5: Solve for x
    x = 41,061,509.30/8,437.42
  6. Step 6: Final answer
    x = 4,866.60

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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.