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Finding the Fourth Proportional to 68,733, 94,851.54 and 38,925

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Solution

The fourth proportional to 68,733, 94,851.54 and 38,925 is: 53,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733 : 94,851.54 = 38,925 : x
  2. Step 2: Convert to fraction form
    68,733/94,851.54 = 38,925/x
  3. Step 3: Cross multiply
    68,733x = 94,851.54 × 38,925
  4. Step 4: Simplify right side
    68,733x = 3,692,096,194.50
  5. Step 5: Solve for x
    x = 3,692,096,194.50/68,733
  6. Step 6: Final answer
    x = 53,716.50

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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.