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Finding the Fourth Proportional to 50,618.88, 69,857.28 and 29,402.88

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Solution

The fourth proportional to 50,618.88, 69,857.28 and 29,402.88 is: 40,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,618.88 : 69,857.28 = 29,402.88 : x
  2. Step 2: Convert to fraction form
    50,618.88/69,857.28 = 29,402.88/x
  3. Step 3: Cross multiply
    50,618.88x = 69,857.28 × 29,402.88
  4. Step 4: Simplify right side
    50,618.88x = 2,054,005,220.97
  5. Step 5: Solve for x
    x = 2,054,005,220.97/50,618.88
  6. Step 6: Final answer
    x = 40,577.85

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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.