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Finding the Fourth Proportional to 53,354.88, 80,082.51 and 27,078.48

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Solution

The fourth proportional to 53,354.88, 80,082.51 and 27,078.48 is: 40,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354.88 : 80,082.51 = 27,078.48 : x
  2. Step 2: Convert to fraction form
    53,354.88/80,082.51 = 27,078.48/x
  3. Step 3: Cross multiply
    53,354.88x = 80,082.51 × 27,078.48
  4. Step 4: Simplify right side
    53,354.88x = 2,168,512,645.38
  5. Step 5: Solve for x
    x = 2,168,512,645.38/53,354.88
  6. Step 6: Final answer
    x = 40,643.19

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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.