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Finding the Fourth Proportional to 13,364.88, 20,047.10 and 4,599.86

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Solution

The fourth proportional to 13,364.88, 20,047.10 and 4,599.86 is: 6,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.88 : 20,047.10 = 4,599.86 : x
  2. Step 2: Convert to fraction form
    13,364.88/20,047.10 = 4,599.86/x
  3. Step 3: Cross multiply
    13,364.88x = 20,047.10 × 4,599.86
  4. Step 4: Simplify right side
    13,364.88x = 92,213,853.41
  5. Step 5: Solve for x
    x = 92,213,853.41/13,364.88
  6. Step 6: Final answer
    x = 6,899.71

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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.