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Finding the Fourth Proportional to 7,052.30, 9,776.72 and 6,677.79

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Solution

The fourth proportional to 7,052.30, 9,776.72 and 6,677.79 is: 9,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.30 : 9,776.72 = 6,677.79 : x
  2. Step 2: Convert to fraction form
    7,052.30/9,776.72 = 6,677.79/x
  3. Step 3: Cross multiply
    7,052.30x = 9,776.72 × 6,677.79
  4. Step 4: Simplify right side
    7,052.30x = 65,286,849.66
  5. Step 5: Solve for x
    x = 65,286,849.66/7,052.30
  6. Step 6: Final answer
    x = 9,257.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.