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Finding the Fourth Proportional to 9,605.56, 14,408.38 and 6,487.88

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Solution

The fourth proportional to 9,605.56, 14,408.38 and 6,487.88 is: 9,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.56 : 14,408.38 = 6,487.88 : x
  2. Step 2: Convert to fraction form
    9,605.56/14,408.38 = 6,487.88/x
  3. Step 3: Cross multiply
    9,605.56x = 14,408.38 × 6,487.88
  4. Step 4: Simplify right side
    9,605.56x = 93,479,840.43
  5. Step 5: Solve for x
    x = 93,479,840.43/9,605.56
  6. Step 6: Final answer
    x = 9,731.85

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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.