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Finding the Fourth Proportional to 8,961.55, 13,444.11 and 5,018.41

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Solution

The fourth proportional to 8,961.55, 13,444.11 and 5,018.41 is: 7,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.55 : 13,444.11 = 5,018.41 : x
  2. Step 2: Convert to fraction form
    8,961.55/13,444.11 = 5,018.41/x
  3. Step 3: Cross multiply
    8,961.55x = 13,444.11 × 5,018.41
  4. Step 4: Simplify right side
    8,961.55x = 67,468,074.29
  5. Step 5: Solve for x
    x = 67,468,074.29/8,961.55
  6. Step 6: Final answer
    x = 7,528.62

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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.