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Finding the Fourth Proportional to 68,373, 94,357.98 and 38,565

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Solution

The fourth proportional to 68,373, 94,357.98 and 38,565 is: 53,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373 : 94,357.98 = 38,565 : x
  2. Step 2: Convert to fraction form
    68,373/94,357.98 = 38,565/x
  3. Step 3: Cross multiply
    68,373x = 94,357.98 × 38,565
  4. Step 4: Simplify right side
    68,373x = 3,638,915,498.70
  5. Step 5: Solve for x
    x = 3,638,915,498.70/68,373
  6. Step 6: Final answer
    x = 53,221.53

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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.