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Finding the Fourth Proportional to 30,265.65, 45,398.48 and 17,791.65

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Solution

The fourth proportional to 30,265.65, 45,398.48 and 17,791.65 is: 26,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.65 : 45,398.48 = 17,791.65 : x
  2. Step 2: Convert to fraction form
    30,265.65/45,398.48 = 17,791.65/x
  3. Step 3: Cross multiply
    30,265.65x = 45,398.48 × 17,791.65
  4. Step 4: Simplify right side
    30,265.65x = 807,713,777.73
  5. Step 5: Solve for x
    x = 807,713,777.73/30,265.65
  6. Step 6: Final answer
    x = 26,687.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.