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Finding the Fourth Proportional to 6,955.76, 10,444.80 and 6,604.88

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Solution

The fourth proportional to 6,955.76, 10,444.80 and 6,604.88 is: 9,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.76 : 10,444.80 = 6,604.88 : x
  2. Step 2: Convert to fraction form
    6,955.76/10,444.80 = 6,604.88/x
  3. Step 3: Cross multiply
    6,955.76x = 10,444.80 × 6,604.88
  4. Step 4: Simplify right side
    6,955.76x = 68,986,650.62
  5. Step 5: Solve for x
    x = 68,986,650.62/6,955.76
  6. Step 6: Final answer
    x = 9,917.92

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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.