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Finding the Fourth Proportional to 53,402.82, 80,104.50 and 13,960.02

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Solution

The fourth proportional to 53,402.82, 80,104.50 and 13,960.02 is: 20,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,402.82 : 80,104.50 = 13,960.02 : x
  2. Step 2: Convert to fraction form
    53,402.82/80,104.50 = 13,960.02/x
  3. Step 3: Cross multiply
    53,402.82x = 80,104.50 × 13,960.02
  4. Step 4: Simplify right side
    53,402.82x = 1,118,260,422.09
  5. Step 5: Solve for x
    x = 1,118,260,422.09/53,402.82
  6. Step 6: Final answer
    x = 20,940.10

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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.