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Finding the Fourth Proportional to 35,896.82, 49,536.51 and 19,980.86

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Solution

The fourth proportional to 35,896.82, 49,536.51 and 19,980.86 is: 27,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,896.82 : 49,536.51 = 19,980.86 : x
  2. Step 2: Convert to fraction form
    35,896.82/49,536.51 = 19,980.86/x
  3. Step 3: Cross multiply
    35,896.82x = 49,536.51 × 19,980.86
  4. Step 4: Simplify right side
    35,896.82x = 989,782,071.20
  5. Step 5: Solve for x
    x = 989,782,071.20/35,896.82
  6. Step 6: Final answer
    x = 27,572.97

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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.