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Finding the Fourth Proportional to 33,253.50, 45,889.84 and 18,349.50

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Solution

The fourth proportional to 33,253.50, 45,889.84 and 18,349.50 is: 25,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,253.50 : 45,889.84 = 18,349.50 : x
  2. Step 2: Convert to fraction form
    33,253.50/45,889.84 = 18,349.50/x
  3. Step 3: Cross multiply
    33,253.50x = 45,889.84 × 18,349.50
  4. Step 4: Simplify right side
    33,253.50x = 842,055,619.08
  5. Step 5: Solve for x
    x = 842,055,619.08/33,253.50
  6. Step 6: Final answer
    x = 25,322.32

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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.