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Finding the Fourth Proportional to 35,935.21, 49,590.65 and 20,020.22

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Solution

The fourth proportional to 35,935.21, 49,590.65 and 20,020.22 is: 27,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.21 : 49,590.65 = 20,020.22 : x
  2. Step 2: Convert to fraction form
    35,935.21/49,590.65 = 20,020.22/x
  3. Step 3: Cross multiply
    35,935.21x = 49,590.65 × 20,020.22
  4. Step 4: Simplify right side
    35,935.21x = 992,815,722.94
  5. Step 5: Solve for x
    x = 992,815,722.94/35,935.21
  6. Step 6: Final answer
    x = 27,627.94

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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.