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Finding the Fourth Proportional to 68,590.30, 94,649.22 and 38,373.25

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Solution

The fourth proportional to 68,590.30, 94,649.22 and 38,373.25 is: 52,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590.30 : 94,649.22 = 38,373.25 : x
  2. Step 2: Convert to fraction form
    68,590.30/94,649.22 = 38,373.25/x
  3. Step 3: Cross multiply
    68,590.30x = 94,649.22 × 38,373.25
  4. Step 4: Simplify right side
    68,590.30x = 3,631,997,989.50
  5. Step 5: Solve for x
    x = 3,631,997,989.50/68,590.30
  6. Step 6: Final answer
    x = 52,952.06

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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.