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Finding the Fourth Proportional to 15,353.55, 22,993.42 and 8,759.75

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Solution

The fourth proportional to 15,353.55, 22,993.42 and 8,759.75 is: 13,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.55 : 22,993.42 = 8,759.75 : x
  2. Step 2: Convert to fraction form
    15,353.55/22,993.42 = 8,759.75/x
  3. Step 3: Cross multiply
    15,353.55x = 22,993.42 × 8,759.75
  4. Step 4: Simplify right side
    15,353.55x = 201,416,617.69
  5. Step 5: Solve for x
    x = 201,416,617.69/15,353.55
  6. Step 6: Final answer
    x = 13,118.57

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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.