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Finding the Fourth Proportional to 33,326.64, 45,994.64 and 18,991.67

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Solution

The fourth proportional to 33,326.64, 45,994.64 and 18,991.67 is: 26,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.64 : 45,994.64 = 18,991.67 : x
  2. Step 2: Convert to fraction form
    33,326.64/45,994.64 = 18,991.67/x
  3. Step 3: Cross multiply
    33,326.64x = 45,994.64 × 18,991.67
  4. Step 4: Simplify right side
    33,326.64x = 873,514,699.72
  5. Step 5: Solve for x
    x = 873,514,699.72/33,326.64
  6. Step 6: Final answer
    x = 26,210.70

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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.