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Finding the Fourth Proportional to 53,293.52, 79,940.52 and 13,847.84

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Solution

The fourth proportional to 53,293.52, 79,940.52 and 13,847.84 is: 20,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.52 : 79,940.52 = 13,847.84 : x
  2. Step 2: Convert to fraction form
    53,293.52/79,940.52 = 13,847.84/x
  3. Step 3: Cross multiply
    53,293.52x = 79,940.52 × 13,847.84
  4. Step 4: Simplify right side
    53,293.52x = 1,107,003,530.48
  5. Step 5: Solve for x
    x = 1,107,003,530.48/53,293.52
  6. Step 6: Final answer
    x = 20,771.82

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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.