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Finding the Fourth Proportional to 32,668.33, 45,079.56 and 18,326.17

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Solution

The fourth proportional to 32,668.33, 45,079.56 and 18,326.17 is: 25,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.33 : 45,079.56 = 18,326.17 : x
  2. Step 2: Convert to fraction form
    32,668.33/45,079.56 = 18,326.17/x
  3. Step 3: Cross multiply
    32,668.33x = 45,079.56 × 18,326.17
  4. Step 4: Simplify right side
    32,668.33x = 826,135,680.09
  5. Step 5: Solve for x
    x = 826,135,680.09/32,668.33
  6. Step 6: Final answer
    x = 25,288.58

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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.