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Finding the Fourth Proportional to 33,307.61, 45,963.13 and 18,200.79

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Solution

The fourth proportional to 33,307.61, 45,963.13 and 18,200.79 is: 25,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.61 : 45,963.13 = 18,200.79 : x
  2. Step 2: Convert to fraction form
    33,307.61/45,963.13 = 18,200.79/x
  3. Step 3: Cross multiply
    33,307.61x = 45,963.13 × 18,200.79
  4. Step 4: Simplify right side
    33,307.61x = 836,565,276.87
  5. Step 5: Solve for x
    x = 836,565,276.87/33,307.61
  6. Step 6: Final answer
    x = 25,116.34

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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.