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Finding the Fourth Proportional to 7,796.91, 11,695.61 and 1,953.64

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Solution

The fourth proportional to 7,796.91, 11,695.61 and 1,953.64 is: 2,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.91 : 11,695.61 = 1,953.64 : x
  2. Step 2: Convert to fraction form
    7,796.91/11,695.61 = 1,953.64/x
  3. Step 3: Cross multiply
    7,796.91x = 11,695.61 × 1,953.64
  4. Step 4: Simplify right side
    7,796.91x = 22,849,011.52
  5. Step 5: Solve for x
    x = 22,849,011.52/7,796.91
  6. Step 6: Final answer
    x = 2,930.52

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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.