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Finding the Fourth Proportional to 80,594.19, 120,892.50 and 28,004.94

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Solution

The fourth proportional to 80,594.19, 120,892.50 and 28,004.94 is: 42,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,594.19 : 120,892.50 = 28,004.94 : x
  2. Step 2: Convert to fraction form
    80,594.19/120,892.50 = 28,004.94/x
  3. Step 3: Cross multiply
    80,594.19x = 120,892.50 × 28,004.94
  4. Step 4: Simplify right side
    80,594.19x = 3,385,587,208.95
  5. Step 5: Solve for x
    x = 3,385,587,208.95/80,594.19
  6. Step 6: Final answer
    x = 42,007.83

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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.