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Finding the Fourth Proportional to 33,170.79, 45,775.71 and 18,266.79

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Solution

The fourth proportional to 33,170.79, 45,775.71 and 18,266.79 is: 25,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.79 : 45,775.71 = 18,266.79 : x
  2. Step 2: Convert to fraction form
    33,170.79/45,775.71 = 18,266.79/x
  3. Step 3: Cross multiply
    33,170.79x = 45,775.71 × 18,266.79
  4. Step 4: Simplify right side
    33,170.79x = 836,175,281.67
  5. Step 5: Solve for x
    x = 836,175,281.67/33,170.79
  6. Step 6: Final answer
    x = 25,208.18

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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.