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Finding the Fourth Proportional to 7,969.01, 11,955.94 and 5,752.85

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Solution

The fourth proportional to 7,969.01, 11,955.94 and 5,752.85 is: 8,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.01 : 11,955.94 = 5,752.85 : x
  2. Step 2: Convert to fraction form
    7,969.01/11,955.94 = 5,752.85/x
  3. Step 3: Cross multiply
    7,969.01x = 11,955.94 × 5,752.85
  4. Step 4: Simplify right side
    7,969.01x = 68,780,655.27
  5. Step 5: Solve for x
    x = 68,780,655.27/7,969.01
  6. Step 6: Final answer
    x = 8,631.02

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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.