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Finding the Fourth Proportional to 33,223.88, 45,848.95 and 18,319.88

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Solution

The fourth proportional to 33,223.88, 45,848.95 and 18,319.88 is: 25,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,223.88 : 45,848.95 = 18,319.88 : x
  2. Step 2: Convert to fraction form
    33,223.88/45,848.95 = 18,319.88/x
  3. Step 3: Cross multiply
    33,223.88x = 45,848.95 × 18,319.88
  4. Step 4: Simplify right side
    33,223.88x = 839,946,987.08
  5. Step 5: Solve for x
    x = 839,946,987.08/33,223.88
  6. Step 6: Final answer
    x = 25,281.43

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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.