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Finding the Fourth Proportional to 39,354, 58,988.26 and 19,377.24

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Solution

The fourth proportional to 39,354, 58,988.26 and 19,377.24 is: 29,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354 : 58,988.26 = 19,377.24 : x
  2. Step 2: Convert to fraction form
    39,354/58,988.26 = 19,377.24/x
  3. Step 3: Cross multiply
    39,354x = 58,988.26 × 19,377.24
  4. Step 4: Simplify right side
    39,354x = 1,143,029,671.20
  5. Step 5: Solve for x
    x = 1,143,029,671.20/39,354
  6. Step 6: Final answer
    x = 29,044.82

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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.