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Finding the Fourth Proportional to 7,797.47, 11,695.85 and 2,866.76

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Solution

The fourth proportional to 7,797.47, 11,695.85 and 2,866.76 is: 4,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.47 : 11,695.85 = 2,866.76 : x
  2. Step 2: Convert to fraction form
    7,797.47/11,695.85 = 2,866.76/x
  3. Step 3: Cross multiply
    7,797.47x = 11,695.85 × 2,866.76
  4. Step 4: Simplify right side
    7,797.47x = 33,529,122.13
  5. Step 5: Solve for x
    x = 33,529,122.13/7,797.47
  6. Step 6: Final answer
    x = 4,300.00

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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.