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Finding the Fourth Proportional to 35,654.48, 49,203.28 and 19,738.88

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Solution

The fourth proportional to 35,654.48, 49,203.28 and 19,738.88 is: 27,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.48 : 49,203.28 = 19,738.88 : x
  2. Step 2: Convert to fraction form
    35,654.48/49,203.28 = 19,738.88/x
  3. Step 3: Cross multiply
    35,654.48x = 49,203.28 × 19,738.88
  4. Step 4: Simplify right side
    35,654.48x = 971,217,639.53
  5. Step 5: Solve for x
    x = 971,217,639.53/35,654.48
  6. Step 6: Final answer
    x = 27,239.71

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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.