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Finding the Fourth Proportional to 12,760.93, 17,606.02 and 7,723.54

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Solution

The fourth proportional to 12,760.93, 17,606.02 and 7,723.54 is: 10,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.93 : 17,606.02 = 7,723.54 : x
  2. Step 2: Convert to fraction form
    12,760.93/17,606.02 = 7,723.54/x
  3. Step 3: Cross multiply
    12,760.93x = 17,606.02 × 7,723.54
  4. Step 4: Simplify right side
    12,760.93x = 135,980,799.71
  5. Step 5: Solve for x
    x = 135,980,799.71/12,760.93
  6. Step 6: Final answer
    x = 10,656.03

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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.