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Finding the Fourth Proportional to 35,694.48, 49,256.40 and 19,777.92

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Solution

The fourth proportional to 35,694.48, 49,256.40 and 19,777.92 is: 27,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.48 : 49,256.40 = 19,777.92 : x
  2. Step 2: Convert to fraction form
    35,694.48/49,256.40 = 19,777.92/x
  3. Step 3: Cross multiply
    35,694.48x = 49,256.40 × 19,777.92
  4. Step 4: Simplify right side
    35,694.48x = 974,189,138.69
  5. Step 5: Solve for x
    x = 974,189,138.69/35,694.48
  6. Step 6: Final answer
    x = 27,292.43

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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.