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Finding the Fourth Proportional to 7,051.17, 9,775.16 and 6,676.66

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Solution

The fourth proportional to 7,051.17, 9,775.16 and 6,676.66 is: 9,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.17 : 9,775.16 = 6,676.66 : x
  2. Step 2: Convert to fraction form
    7,051.17/9,775.16 = 6,676.66/x
  3. Step 3: Cross multiply
    7,051.17x = 9,775.16 × 6,676.66
  4. Step 4: Simplify right side
    7,051.17x = 65,265,361.94
  5. Step 5: Solve for x
    x = 65,265,361.94/7,051.17
  6. Step 6: Final answer
    x = 9,255.96

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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.