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Finding the Fourth Proportional to 8,655.27, 12,984.83 and 4,035.75

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Solution

The fourth proportional to 8,655.27, 12,984.83 and 4,035.75 is: 6,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.27 : 12,984.83 = 4,035.75 : x
  2. Step 2: Convert to fraction form
    8,655.27/12,984.83 = 4,035.75/x
  3. Step 3: Cross multiply
    8,655.27x = 12,984.83 × 4,035.75
  4. Step 4: Simplify right side
    8,655.27x = 52,403,507.49
  5. Step 5: Solve for x
    x = 52,403,507.49/8,655.27
  6. Step 6: Final answer
    x = 6,054.52

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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.