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Finding the Fourth Proportional to 23,695.70, 32,702 and 13,627.40

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Solution

The fourth proportional to 23,695.70, 32,702 and 13,627.40 is: 18,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,695.70 : 32,702 = 13,627.40 : x
  2. Step 2: Convert to fraction form
    23,695.70/32,702 = 13,627.40/x
  3. Step 3: Cross multiply
    23,695.70x = 32,702 × 13,627.40
  4. Step 4: Simplify right side
    23,695.70x = 445,643,234.80
  5. Step 5: Solve for x
    x = 445,643,234.80/23,695.70
  6. Step 6: Final answer
    x = 18,806.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.