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Finding the Fourth Proportional to 8,038.56, 12,056.28 and 2,193.68

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Solution

The fourth proportional to 8,038.56, 12,056.28 and 2,193.68 is: 3,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.56 : 12,056.28 = 2,193.68 : x
  2. Step 2: Convert to fraction form
    8,038.56/12,056.28 = 2,193.68/x
  3. Step 3: Cross multiply
    8,038.56x = 12,056.28 × 2,193.68
  4. Step 4: Simplify right side
    8,038.56x = 26,447,620.31
  5. Step 5: Solve for x
    x = 26,447,620.31/8,038.56
  6. Step 6: Final answer
    x = 3,290.09

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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.