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Finding the Fourth Proportional to 63,021, 86,953.96 and 35,791.08

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Solution

The fourth proportional to 63,021, 86,953.96 and 35,791.08 is: 49,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021 : 86,953.96 = 35,791.08 : x
  2. Step 2: Convert to fraction form
    63,021/86,953.96 = 35,791.08/x
  3. Step 3: Cross multiply
    63,021x = 86,953.96 × 35,791.08
  4. Step 4: Simplify right side
    63,021x = 3,112,176,138.68
  5. Step 5: Solve for x
    x = 3,112,176,138.68/63,021
  6. Step 6: Final answer
    x = 49,383.16

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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.