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Finding the Fourth Proportional to 33,711.60, 50,559.84 and 18,927.12

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Solution

The fourth proportional to 33,711.60, 50,559.84 and 18,927.12 is: 28,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,711.60 : 50,559.84 = 18,927.12 : x
  2. Step 2: Convert to fraction form
    33,711.60/50,559.84 = 18,927.12/x
  3. Step 3: Cross multiply
    33,711.60x = 50,559.84 × 18,927.12
  4. Step 4: Simplify right side
    33,711.60x = 956,952,158.86
  5. Step 5: Solve for x
    x = 956,952,158.86/33,711.60
  6. Step 6: Final answer
    x = 28,386.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.