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Finding the Fourth Proportional to 33,287.60, 45,937.08 and 18,180.08

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Solution

The fourth proportional to 33,287.60, 45,937.08 and 18,180.08 is: 25,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,287.60 : 45,937.08 = 18,180.08 : x
  2. Step 2: Convert to fraction form
    33,287.60/45,937.08 = 18,180.08/x
  3. Step 3: Cross multiply
    33,287.60x = 45,937.08 × 18,180.08
  4. Step 4: Simplify right side
    33,287.60x = 835,139,789.37
  5. Step 5: Solve for x
    x = 835,139,789.37/33,287.60
  6. Step 6: Final answer
    x = 25,088.62

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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.