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Finding the Fourth Proportional to 35,647.52, 49,191.84 and 19,731.68

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Solution

The fourth proportional to 35,647.52, 49,191.84 and 19,731.68 is: 27,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.52 : 49,191.84 = 19,731.68 : x
  2. Step 2: Convert to fraction form
    35,647.52/49,191.84 = 19,731.68/x
  3. Step 3: Cross multiply
    35,647.52x = 49,191.84 × 19,731.68
  4. Step 4: Simplify right side
    35,647.52x = 970,637,645.49
  5. Step 5: Solve for x
    x = 970,637,645.49/35,647.52
  6. Step 6: Final answer
    x = 27,228.76

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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.