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Finding the Fourth Proportional to 33,191.92, 45,807.96 and 18,854.92

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Solution

The fourth proportional to 33,191.92, 45,807.96 and 18,854.92 is: 26,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,191.92 : 45,807.96 = 18,854.92 : x
  2. Step 2: Convert to fraction form
    33,191.92/45,807.96 = 18,854.92/x
  3. Step 3: Cross multiply
    33,191.92x = 45,807.96 × 18,854.92
  4. Step 4: Simplify right side
    33,191.92x = 863,705,421.16
  5. Step 5: Solve for x
    x = 863,705,421.16/33,191.92
  6. Step 6: Final answer
    x = 26,021.56

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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.