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Finding the Fourth Proportional to 13,468.59, 20,206.06 and 4,234.59

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Solution

The fourth proportional to 13,468.59, 20,206.06 and 4,234.59 is: 6,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.59 : 20,206.06 = 4,234.59 : x
  2. Step 2: Convert to fraction form
    13,468.59/20,206.06 = 4,234.59/x
  3. Step 3: Cross multiply
    13,468.59x = 20,206.06 × 4,234.59
  4. Step 4: Simplify right side
    13,468.59x = 85,564,278.59
  5. Step 5: Solve for x
    x = 85,564,278.59/13,468.59
  6. Step 6: Final answer
    x = 6,352.88

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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.