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Finding the Fourth Proportional to 35,833.68, 49,451.04 and 19,918.80

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Solution

The fourth proportional to 35,833.68, 49,451.04 and 19,918.80 is: 27,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,833.68 : 49,451.04 = 19,918.80 : x
  2. Step 2: Convert to fraction form
    35,833.68/49,451.04 = 19,918.80/x
  3. Step 3: Cross multiply
    35,833.68x = 49,451.04 × 19,918.80
  4. Step 4: Simplify right side
    35,833.68x = 985,005,375.55
  5. Step 5: Solve for x
    x = 985,005,375.55/35,833.68
  6. Step 6: Final answer
    x = 27,488.26

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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.