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Finding the Fourth Proportional to 68,707.83, 94,822.92 and 38,492.96

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Solution

The fourth proportional to 68,707.83, 94,822.92 and 38,492.96 is: 53,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,707.83 : 94,822.92 = 38,492.96 : x
  2. Step 2: Convert to fraction form
    68,707.83/94,822.92 = 38,492.96/x
  3. Step 3: Cross multiply
    68,707.83x = 94,822.92 × 38,492.96
  4. Step 4: Simplify right side
    68,707.83x = 3,650,014,866.64
  5. Step 5: Solve for x
    x = 3,650,014,866.64/68,707.83
  6. Step 6: Final answer
    x = 53,123.71

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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.