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Finding the Fourth Proportional to 8,537.58, 12,808.26 and 3,343.50

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Solution

The fourth proportional to 8,537.58, 12,808.26 and 3,343.50 is: 5,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.58 : 12,808.26 = 3,343.50 : x
  2. Step 2: Convert to fraction form
    8,537.58/12,808.26 = 3,343.50/x
  3. Step 3: Cross multiply
    8,537.58x = 12,808.26 × 3,343.50
  4. Step 4: Simplify right side
    8,537.58x = 42,824,417.31
  5. Step 5: Solve for x
    x = 42,824,417.31/8,537.58
  6. Step 6: Final answer
    x = 5,015.99

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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.