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Finding the Fourth Proportional to 9,951.04, 13,731.96 and 5,760.64

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Solution

The fourth proportional to 9,951.04, 13,731.96 and 5,760.64 is: 7,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.04 : 13,731.96 = 5,760.64 : x
  2. Step 2: Convert to fraction form
    9,951.04/13,731.96 = 5,760.64/x
  3. Step 3: Cross multiply
    9,951.04x = 13,731.96 × 5,760.64
  4. Step 4: Simplify right side
    9,951.04x = 79,104,878.05
  5. Step 5: Solve for x
    x = 79,104,878.05/9,951.04
  6. Step 6: Final answer
    x = 7,949.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.