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Finding the Fourth Proportional to 9,797.76, 14,696.64 and 3,954.42

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Solution

The fourth proportional to 9,797.76, 14,696.64 and 3,954.42 is: 5,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797.76 : 14,696.64 = 3,954.42 : x
  2. Step 2: Convert to fraction form
    9,797.76/14,696.64 = 3,954.42/x
  3. Step 3: Cross multiply
    9,797.76x = 14,696.64 × 3,954.42
  4. Step 4: Simplify right side
    9,797.76x = 58,116,687.15
  5. Step 5: Solve for x
    x = 58,116,687.15/9,797.76
  6. Step 6: Final answer
    x = 5,931.63

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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.