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Finding the Fourth Proportional to 9,605.40, 14,408.80 and 3,364.72

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Solution

The fourth proportional to 9,605.40, 14,408.80 and 3,364.72 is: 5,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.40 : 14,408.80 = 3,364.72 : x
  2. Step 2: Convert to fraction form
    9,605.40/14,408.80 = 3,364.72/x
  3. Step 3: Cross multiply
    9,605.40x = 14,408.80 × 3,364.72
  4. Step 4: Simplify right side
    9,605.40x = 48,481,577.54
  5. Step 5: Solve for x
    x = 48,481,577.54/9,605.40
  6. Step 6: Final answer
    x = 5,047.33

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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.