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Finding the Fourth Proportional to 35,655.70, 49,203 and 19,519.92

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Solution

The fourth proportional to 35,655.70, 49,203 and 19,519.92 is: 26,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.70 : 49,203 = 19,519.92 : x
  2. Step 2: Convert to fraction form
    35,655.70/49,203 = 19,519.92/x
  3. Step 3: Cross multiply
    35,655.70x = 49,203 × 19,519.92
  4. Step 4: Simplify right side
    35,655.70x = 960,438,623.76
  5. Step 5: Solve for x
    x = 960,438,623.76/35,655.70
  6. Step 6: Final answer
    x = 26,936.47

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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.