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Finding the Fourth Proportional to 53,614.65, 80,394.50 and 28,327.74

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Solution

The fourth proportional to 53,614.65, 80,394.50 and 28,327.74 is: 42,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,614.65 : 80,394.50 = 28,327.74 : x
  2. Step 2: Convert to fraction form
    53,614.65/80,394.50 = 28,327.74/x
  3. Step 3: Cross multiply
    53,614.65x = 80,394.50 × 28,327.74
  4. Step 4: Simplify right side
    53,614.65x = 2,277,394,493.43
  5. Step 5: Solve for x
    x = 2,277,394,493.43/53,614.65
  6. Step 6: Final answer
    x = 42,477.09

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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.