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Finding the Fourth Proportional to 15,024.60, 20,733.02 and 8,309.68

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Solution

The fourth proportional to 15,024.60, 20,733.02 and 8,309.68 is: 11,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.60 : 20,733.02 = 8,309.68 : x
  2. Step 2: Convert to fraction form
    15,024.60/20,733.02 = 8,309.68/x
  3. Step 3: Cross multiply
    15,024.60x = 20,733.02 × 8,309.68
  4. Step 4: Simplify right side
    15,024.60x = 172,284,761.63
  5. Step 5: Solve for x
    x = 172,284,761.63/15,024.60
  6. Step 6: Final answer
    x = 11,466.85

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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.