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Finding the Fourth Proportional to 15,024.52, 20,733.66 and 8,309.62

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Solution

The fourth proportional to 15,024.52, 20,733.66 and 8,309.62 is: 11,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.52 : 20,733.66 = 8,309.62 : x
  2. Step 2: Convert to fraction form
    15,024.52/20,733.66 = 8,309.62/x
  3. Step 3: Cross multiply
    15,024.52x = 20,733.66 × 8,309.62
  4. Step 4: Simplify right side
    15,024.52x = 172,288,835.81
  5. Step 5: Solve for x
    x = 172,288,835.81/15,024.52
  6. Step 6: Final answer
    x = 11,467.18

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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.