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Finding the Fourth Proportional to 9,494.40, 14,243.84 and 3,651.20

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Solution

The fourth proportional to 9,494.40, 14,243.84 and 3,651.20 is: 5,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,494.40 : 14,243.84 = 3,651.20 : x
  2. Step 2: Convert to fraction form
    9,494.40/14,243.84 = 3,651.20/x
  3. Step 3: Cross multiply
    9,494.40x = 14,243.84 × 3,651.20
  4. Step 4: Simplify right side
    9,494.40x = 52,007,108.61
  5. Step 5: Solve for x
    x = 52,007,108.61/9,494.40
  6. Step 6: Final answer
    x = 5,477.66

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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.