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Finding the Fourth Proportional to 32,805.79, 45,270.33 and 18,658.33

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Solution

The fourth proportional to 32,805.79, 45,270.33 and 18,658.33 is: 25,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,805.79 : 45,270.33 = 18,658.33 : x
  2. Step 2: Convert to fraction form
    32,805.79/45,270.33 = 18,658.33/x
  3. Step 3: Cross multiply
    32,805.79x = 45,270.33 × 18,658.33
  4. Step 4: Simplify right side
    32,805.79x = 844,668,756.35
  5. Step 5: Solve for x
    x = 844,668,756.35/32,805.79
  6. Step 6: Final answer
    x = 25,747.55

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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.