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Finding the Fourth Proportional to 35,471.88, 48,949.72 and 19,338.84

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Solution

The fourth proportional to 35,471.88, 48,949.72 and 19,338.84 is: 26,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.88 : 48,949.72 = 19,338.84 : x
  2. Step 2: Convert to fraction form
    35,471.88/48,949.72 = 19,338.84/x
  3. Step 3: Cross multiply
    35,471.88x = 48,949.72 × 19,338.84
  4. Step 4: Simplify right side
    35,471.88x = 946,630,803.12
  5. Step 5: Solve for x
    x = 946,630,803.12/35,471.88
  6. Step 6: Final answer
    x = 26,686.80

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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.