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Finding the Fourth Proportional to 67,068.05, 92,548.49 and 38,775.56

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Solution

The fourth proportional to 67,068.05, 92,548.49 and 38,775.56 is: 53,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068.05 : 92,548.49 = 38,775.56 : x
  2. Step 2: Convert to fraction form
    67,068.05/92,548.49 = 38,775.56/x
  3. Step 3: Cross multiply
    67,068.05x = 92,548.49 × 38,775.56
  4. Step 4: Simplify right side
    67,068.05x = 3,588,618,870.28
  5. Step 5: Solve for x
    x = 3,588,618,870.28/67,068.05
  6. Step 6: Final answer
    x = 53,507.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.