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Finding the Fourth Proportional to 68,492.68, 94,519.62 and 38,277.99

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Solution

The fourth proportional to 68,492.68, 94,519.62 and 38,277.99 is: 52,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492.68 : 94,519.62 = 38,277.99 : x
  2. Step 2: Convert to fraction form
    68,492.68/94,519.62 = 38,277.99/x
  3. Step 3: Cross multiply
    68,492.68x = 94,519.62 × 38,277.99
  4. Step 4: Simplify right side
    68,492.68x = 3,618,021,069.16
  5. Step 5: Solve for x
    x = 3,618,021,069.16/68,492.68
  6. Step 6: Final answer
    x = 52,823.47

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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.