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Finding the Fourth Proportional to 23,662.80, 32,659.20 and 14,234.40

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Solution

The fourth proportional to 23,662.80, 32,659.20 and 14,234.40 is: 19,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,662.80 : 32,659.20 = 14,234.40 : x
  2. Step 2: Convert to fraction form
    23,662.80/32,659.20 = 14,234.40/x
  3. Step 3: Cross multiply
    23,662.80x = 32,659.20 × 14,234.40
  4. Step 4: Simplify right side
    23,662.80x = 464,884,116.48
  5. Step 5: Solve for x
    x = 464,884,116.48/23,662.80
  6. Step 6: Final answer
    x = 19,646.20

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1.5x scale

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.