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Finding the Fourth Proportional to 23,694.08, 32,700.96 and 13,758.08

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Solution

The fourth proportional to 23,694.08, 32,700.96 and 13,758.08 is: 18,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,694.08 : 32,700.96 = 13,758.08 : x
  2. Step 2: Convert to fraction form
    23,694.08/32,700.96 = 13,758.08/x
  3. Step 3: Cross multiply
    23,694.08x = 32,700.96 × 13,758.08
  4. Step 4: Simplify right side
    23,694.08x = 449,902,423.76
  5. Step 5: Solve for x
    x = 449,902,423.76/23,694.08
  6. Step 6: Final answer
    x = 18,987.97

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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.