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Finding the Fourth Proportional to 8,903.84, 13,356.67 and 3,059.70

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Solution

The fourth proportional to 8,903.84, 13,356.67 and 3,059.70 is: 4,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.84 : 13,356.67 = 3,059.70 : x
  2. Step 2: Convert to fraction form
    8,903.84/13,356.67 = 3,059.70/x
  3. Step 3: Cross multiply
    8,903.84x = 13,356.67 × 3,059.70
  4. Step 4: Simplify right side
    8,903.84x = 40,867,403.20
  5. Step 5: Solve for x
    x = 40,867,403.20/8,903.84
  6. Step 6: Final answer
    x = 4,589.86

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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.