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Finding the Fourth Proportional to 50,891.76, 70,156.80 and 35,738.28

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Solution

The fourth proportional to 50,891.76, 70,156.80 and 35,738.28 is: 49,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.76 : 70,156.80 = 35,738.28 : x
  2. Step 2: Convert to fraction form
    50,891.76/70,156.80 = 35,738.28/x
  3. Step 3: Cross multiply
    50,891.76x = 70,156.80 × 35,738.28
  4. Step 4: Simplify right side
    50,891.76x = 2,507,283,362.30
  5. Step 5: Solve for x
    x = 2,507,283,362.30/50,891.76
  6. Step 6: Final answer
    x = 49,266.98

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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.