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Finding the Fourth Proportional to 35,666.80, 49,216.21 and 19,747.26

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Solution

The fourth proportional to 35,666.80, 49,216.21 and 19,747.26 is: 27,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,666.80 : 49,216.21 = 19,747.26 : x
  2. Step 2: Convert to fraction form
    35,666.80/49,216.21 = 19,747.26/x
  3. Step 3: Cross multiply
    35,666.80x = 49,216.21 × 19,747.26
  4. Step 4: Simplify right side
    35,666.80x = 971,885,245.72
  5. Step 5: Solve for x
    x = 971,885,245.72/35,666.80
  6. Step 6: Final answer
    x = 27,249.02

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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.