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Finding the Fourth Proportional to 7,039.44, 9,584.46 and 7,017.57

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Solution

The fourth proportional to 7,039.44, 9,584.46 and 7,017.57 is: 9,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.44 : 9,584.46 = 7,017.57 : x
  2. Step 2: Convert to fraction form
    7,039.44/9,584.46 = 7,017.57/x
  3. Step 3: Cross multiply
    7,039.44x = 9,584.46 × 7,017.57
  4. Step 4: Simplify right side
    7,039.44x = 67,259,618.96
  5. Step 5: Solve for x
    x = 67,259,618.96/7,039.44
  6. Step 6: Final answer
    x = 9,554.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.