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Finding the Fourth Proportional to 35,843.40, 49,468.34 and 21,695.96

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Solution

The fourth proportional to 35,843.40, 49,468.34 and 21,695.96 is: 29,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,843.40 : 49,468.34 = 21,695.96 : x
  2. Step 2: Convert to fraction form
    35,843.40/49,468.34 = 21,695.96/x
  3. Step 3: Cross multiply
    35,843.40x = 49,468.34 × 21,695.96
  4. Step 4: Simplify right side
    35,843.40x = 1,073,263,125.91
  5. Step 5: Solve for x
    x = 1,073,263,125.91/35,843.40
  6. Step 6: Final answer
    x = 29,943.12

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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.