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Finding the Fourth Proportional to 23,459.12, 35,163.09 and 8,655.56

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Solution

The fourth proportional to 23,459.12, 35,163.09 and 8,655.56 is: 12,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.12 : 35,163.09 = 8,655.56 : x
  2. Step 2: Convert to fraction form
    23,459.12/35,163.09 = 8,655.56/x
  3. Step 3: Cross multiply
    23,459.12x = 35,163.09 × 8,655.56
  4. Step 4: Simplify right side
    23,459.12x = 304,356,235.28
  5. Step 5: Solve for x
    x = 304,356,235.28/23,459.12
  6. Step 6: Final answer
    x = 12,973.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.