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Finding the Fourth Proportional to 50,519.73, 75,779.23 and 14,981.15

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Solution

The fourth proportional to 50,519.73, 75,779.23 and 14,981.15 is: 22,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.73 : 75,779.23 = 14,981.15 : x
  2. Step 2: Convert to fraction form
    50,519.73/75,779.23 = 14,981.15/x
  3. Step 3: Cross multiply
    50,519.73x = 75,779.23 × 14,981.15
  4. Step 4: Simplify right side
    50,519.73x = 1,135,260,011.51
  5. Step 5: Solve for x
    x = 1,135,260,011.51/50,519.73
  6. Step 6: Final answer
    x = 22,471.62

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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.