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Finding the Fourth Proportional to 7,958.63, 10,983.92 and 4,814.84

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Solution

The fourth proportional to 7,958.63, 10,983.92 and 4,814.84 is: 6,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.63 : 10,983.92 = 4,814.84 : x
  2. Step 2: Convert to fraction form
    7,958.63/10,983.92 = 4,814.84/x
  3. Step 3: Cross multiply
    7,958.63x = 10,983.92 × 4,814.84
  4. Step 4: Simplify right side
    7,958.63x = 52,885,738.38
  5. Step 5: Solve for x
    x = 52,885,738.38/7,958.63
  6. Step 6: Final answer
    x = 6,645.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.