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Finding the Fourth Proportional to 7,896.64, 11,849.82 and 5,953.72

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Solution

The fourth proportional to 7,896.64, 11,849.82 and 5,953.72 is: 8,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.64 : 11,849.82 = 5,953.72 : x
  2. Step 2: Convert to fraction form
    7,896.64/11,849.82 = 5,953.72/x
  3. Step 3: Cross multiply
    7,896.64x = 11,849.82 × 5,953.72
  4. Step 4: Simplify right side
    7,896.64x = 70,550,510.33
  5. Step 5: Solve for x
    x = 70,550,510.33/7,896.64
  6. Step 6: Final answer
    x = 8,934.24

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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.