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Finding the Fourth Proportional to 44,431.74, 66,674.48 and 19,473.21

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Solution

The fourth proportional to 44,431.74, 66,674.48 and 19,473.21 is: 29,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,431.74 : 66,674.48 = 19,473.21 : x
  2. Step 2: Convert to fraction form
    44,431.74/66,674.48 = 19,473.21/x
  3. Step 3: Cross multiply
    44,431.74x = 66,674.48 × 19,473.21
  4. Step 4: Simplify right side
    44,431.74x = 1,298,366,053.31
  5. Step 5: Solve for x
    x = 1,298,366,053.31/44,431.74
  6. Step 6: Final answer
    x = 29,221.59

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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.