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Finding the Fourth Proportional to 6,634.79, 9,947.57 and 2,935

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Solution

The fourth proportional to 6,634.79, 9,947.57 and 2,935 is: 4,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.79 : 9,947.57 = 2,935 : x
  2. Step 2: Convert to fraction form
    6,634.79/9,947.57 = 2,935/x
  3. Step 3: Cross multiply
    6,634.79x = 9,947.57 × 2,935
  4. Step 4: Simplify right side
    6,634.79x = 29,196,117.95
  5. Step 5: Solve for x
    x = 29,196,117.95/6,634.79
  6. Step 6: Final answer
    x = 4,400.46

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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.