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Finding the Fourth Proportional to 29,950.40, 41,344.84 and 19,345.21

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Solution

The fourth proportional to 29,950.40, 41,344.84 and 19,345.21 is: 26,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,950.40 : 41,344.84 = 19,345.21 : x
  2. Step 2: Convert to fraction form
    29,950.40/41,344.84 = 19,345.21/x
  3. Step 3: Cross multiply
    29,950.40x = 41,344.84 × 19,345.21
  4. Step 4: Simplify right side
    29,950.40x = 799,824,612.22
  5. Step 5: Solve for x
    x = 799,824,612.22/29,950.40
  6. Step 6: Final answer
    x = 26,704.97

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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.