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Finding the Fourth Proportional to 8,944.46, 12,343.76 and 4,965.63

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Solution

The fourth proportional to 8,944.46, 12,343.76 and 4,965.63 is: 6,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.46 : 12,343.76 = 4,965.63 : x
  2. Step 2: Convert to fraction form
    8,944.46/12,343.76 = 4,965.63/x
  3. Step 3: Cross multiply
    8,944.46x = 12,343.76 × 4,965.63
  4. Step 4: Simplify right side
    8,944.46x = 61,294,544.97
  5. Step 5: Solve for x
    x = 61,294,544.97/8,944.46
  6. Step 6: Final answer
    x = 6,852.79

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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.