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Finding the Fourth Proportional to 35,773.36, 49,364.90 and 19,857.80

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Solution

The fourth proportional to 35,773.36, 49,364.90 and 19,857.80 is: 27,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,773.36 : 49,364.90 = 19,857.80 : x
  2. Step 2: Convert to fraction form
    35,773.36/49,364.90 = 19,857.80/x
  3. Step 3: Cross multiply
    35,773.36x = 49,364.90 × 19,857.80
  4. Step 4: Simplify right side
    35,773.36x = 980,278,311.22
  5. Step 5: Solve for x
    x = 980,278,311.22/35,773.36
  6. Step 6: Final answer
    x = 27,402.47

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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.