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Finding the Fourth Proportional to 7,008.87, 9,676.58 and 5,735.55

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Solution

The fourth proportional to 7,008.87, 9,676.58 and 5,735.55 is: 7,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.87 : 9,676.58 = 5,735.55 : x
  2. Step 2: Convert to fraction form
    7,008.87/9,676.58 = 5,735.55/x
  3. Step 3: Cross multiply
    7,008.87x = 9,676.58 × 5,735.55
  4. Step 4: Simplify right side
    7,008.87x = 55,500,479.74
  5. Step 5: Solve for x
    x = 55,500,479.74/7,008.87
  6. Step 6: Final answer
    x = 7,918.61

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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.