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Finding the Fourth Proportional to 15,027.66, 20,735.10 and 9,059.72

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Solution

The fourth proportional to 15,027.66, 20,735.10 and 9,059.72 is: 12,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.66 : 20,735.10 = 9,059.72 : x
  2. Step 2: Convert to fraction form
    15,027.66/20,735.10 = 9,059.72/x
  3. Step 3: Cross multiply
    15,027.66x = 20,735.10 × 9,059.72
  4. Step 4: Simplify right side
    15,027.66x = 187,854,096.50
  5. Step 5: Solve for x
    x = 187,854,096.50/15,027.66
  6. Step 6: Final answer
    x = 12,500.56

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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.