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Finding the Fourth Proportional to 6,629.94, 9,947.79 and 5,901.30

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Solution

The fourth proportional to 6,629.94, 9,947.79 and 5,901.30 is: 8,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.94 : 9,947.79 = 5,901.30 : x
  2. Step 2: Convert to fraction form
    6,629.94/9,947.79 = 5,901.30/x
  3. Step 3: Cross multiply
    6,629.94x = 9,947.79 × 5,901.30
  4. Step 4: Simplify right side
    6,629.94x = 58,704,893.13
  5. Step 5: Solve for x
    x = 58,704,893.13/6,629.94
  6. Step 6: Final answer
    x = 8,854.51

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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.