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Finding the Fourth Proportional to 30,373.91, 41,888.74 and 19,044.64

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Solution

The fourth proportional to 30,373.91, 41,888.74 and 19,044.64 is: 26,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.91 : 41,888.74 = 19,044.64 : x
  2. Step 2: Convert to fraction form
    30,373.91/41,888.74 = 19,044.64/x
  3. Step 3: Cross multiply
    30,373.91x = 41,888.74 × 19,044.64
  4. Step 4: Simplify right side
    30,373.91x = 797,755,821.02
  5. Step 5: Solve for x
    x = 797,755,821.02/30,373.91
  6. Step 6: Final answer
    x = 26,264.51

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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.