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Finding the Fourth Proportional to 44,434.80, 66,653.40 and 19,462

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Solution

The fourth proportional to 44,434.80, 66,653.40 and 19,462 is: 29,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,434.80 : 66,653.40 = 19,462 : x
  2. Step 2: Convert to fraction form
    44,434.80/66,653.40 = 19,462/x
  3. Step 3: Cross multiply
    44,434.80x = 66,653.40 × 19,462
  4. Step 4: Simplify right side
    44,434.80x = 1,297,208,470.80
  5. Step 5: Solve for x
    x = 1,297,208,470.80/44,434.80
  6. Step 6: Final answer
    x = 29,193.53

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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.