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Finding the Fourth Proportional to 33,306, 45,965.20 and 18,404.88

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Solution

The fourth proportional to 33,306, 45,965.20 and 18,404.88 is: 25,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,306 : 45,965.20 = 18,404.88 : x
  2. Step 2: Convert to fraction form
    33,306/45,965.20 = 18,404.88/x
  3. Step 3: Cross multiply
    33,306x = 45,965.20 × 18,404.88
  4. Step 4: Simplify right side
    33,306x = 845,983,990.18
  5. Step 5: Solve for x
    x = 845,983,990.18/33,306
  6. Step 6: Final answer
    x = 25,400.35

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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.