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Finding the Fourth Proportional to 8,402.93, 12,606.44 and 2,559.53

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Solution

The fourth proportional to 8,402.93, 12,606.44 and 2,559.53 is: 3,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.93 : 12,606.44 = 2,559.53 : x
  2. Step 2: Convert to fraction form
    8,402.93/12,606.44 = 2,559.53/x
  3. Step 3: Cross multiply
    8,402.93x = 12,606.44 × 2,559.53
  4. Step 4: Simplify right side
    8,402.93x = 32,266,580.09
  5. Step 5: Solve for x
    x = 32,266,580.09/8,402.93
  6. Step 6: Final answer
    x = 3,839.92

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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.