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Finding the Fourth Proportional to 33,208.87, 45,828.27 and 18,101.22

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Solution

The fourth proportional to 33,208.87, 45,828.27 and 18,101.22 is: 24,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,208.87 : 45,828.27 = 18,101.22 : x
  2. Step 2: Convert to fraction form
    33,208.87/45,828.27 = 18,101.22/x
  3. Step 3: Cross multiply
    33,208.87x = 45,828.27 × 18,101.22
  4. Step 4: Simplify right side
    33,208.87x = 829,547,597.49
  5. Step 5: Solve for x
    x = 829,547,597.49/33,208.87
  6. Step 6: Final answer
    x = 24,979.70

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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.