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Finding the Fourth Proportional to 32,613.96, 45,007.99 and 18,274.86

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Solution

The fourth proportional to 32,613.96, 45,007.99 and 18,274.86 is: 25,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,613.96 : 45,007.99 = 18,274.86 : x
  2. Step 2: Convert to fraction form
    32,613.96/45,007.99 = 18,274.86/x
  3. Step 3: Cross multiply
    32,613.96x = 45,007.99 × 18,274.86
  4. Step 4: Simplify right side
    32,613.96x = 822,514,491.09
  5. Step 5: Solve for x
    x = 822,514,491.09/32,613.96
  6. Step 6: Final answer
    x = 25,219.71

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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.