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Finding the Fourth Proportional to 38,061, 52,524.36 and 21,294

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Solution

The fourth proportional to 38,061, 52,524.36 and 21,294 is: 29,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061 : 52,524.36 = 21,294 : x
  2. Step 2: Convert to fraction form
    38,061/52,524.36 = 21,294/x
  3. Step 3: Cross multiply
    38,061x = 52,524.36 × 21,294
  4. Step 4: Simplify right side
    38,061x = 1,118,453,721.84
  5. Step 5: Solve for x
    x = 1,118,453,721.84/38,061
  6. Step 6: Final answer
    x = 29,385.82

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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.