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Finding the Fourth Proportional to 8,368.92, 12,556.44 and 3,437.22

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Solution

The fourth proportional to 8,368.92, 12,556.44 and 3,437.22 is: 5,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.92 : 12,556.44 = 3,437.22 : x
  2. Step 2: Convert to fraction form
    8,368.92/12,556.44 = 3,437.22/x
  3. Step 3: Cross multiply
    8,368.92x = 12,556.44 × 3,437.22
  4. Step 4: Simplify right side
    8,368.92x = 43,159,246.70
  5. Step 5: Solve for x
    x = 43,159,246.70/8,368.92
  6. Step 6: Final answer
    x = 5,157.09

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1.5x scale

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.