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Finding the Fourth Proportional to 19,704.61, 27,191.84 and 10,752.11

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Solution

The fourth proportional to 19,704.61, 27,191.84 and 10,752.11 is: 14,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.61 : 27,191.84 = 10,752.11 : x
  2. Step 2: Convert to fraction form
    19,704.61/27,191.84 = 10,752.11/x
  3. Step 3: Cross multiply
    19,704.61x = 27,191.84 × 10,752.11
  4. Step 4: Simplify right side
    19,704.61x = 292,369,654.78
  5. Step 5: Solve for x
    x = 292,369,654.78/19,704.61
  6. Step 6: Final answer
    x = 14,837.63

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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.