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Finding the Fourth Proportional to 19,656.67, 27,125.67 and 10,704.55

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Solution

The fourth proportional to 19,656.67, 27,125.67 and 10,704.55 is: 14,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.67 : 27,125.67 = 10,704.55 : x
  2. Step 2: Convert to fraction form
    19,656.67/27,125.67 = 10,704.55/x
  3. Step 3: Cross multiply
    19,656.67x = 27,125.67 × 10,704.55
  4. Step 4: Simplify right side
    19,656.67x = 290,368,090.80
  5. Step 5: Solve for x
    x = 290,368,090.80/19,656.67
  6. Step 6: Final answer
    x = 14,771.99

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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.