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Finding the Fourth Proportional to 50,404.89, 69,558.81 and 28,048.89

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Solution

The fourth proportional to 50,404.89, 69,558.81 and 28,048.89 is: 38,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,404.89 : 69,558.81 = 28,048.89 : x
  2. Step 2: Convert to fraction form
    50,404.89/69,558.81 = 28,048.89/x
  3. Step 3: Cross multiply
    50,404.89x = 69,558.81 × 28,048.89
  4. Step 4: Simplify right side
    50,404.89x = 1,951,047,410.22
  5. Step 5: Solve for x
    x = 1,951,047,410.22/50,404.89
  6. Step 6: Final answer
    x = 38,707.50

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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.