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Finding the Fourth Proportional to 33,039, 45,587.94 and 18,698.76

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Solution

The fourth proportional to 33,039, 45,587.94 and 18,698.76 is: 25,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,039 : 45,587.94 = 18,698.76 : x
  2. Step 2: Convert to fraction form
    33,039/45,587.94 = 18,698.76/x
  3. Step 3: Cross multiply
    33,039x = 45,587.94 × 18,698.76
  4. Step 4: Simplify right side
    33,039x = 852,437,948.95
  5. Step 5: Solve for x
    x = 852,437,948.95/33,039
  6. Step 6: Final answer
    x = 25,800.96

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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.