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Finding the Fourth Proportional to 68,652.72, 94,732.44 and 38,435.67

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Solution

The fourth proportional to 68,652.72, 94,732.44 and 38,435.67 is: 53,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,652.72 : 94,732.44 = 38,435.67 : x
  2. Step 2: Convert to fraction form
    68,652.72/94,732.44 = 38,435.67/x
  3. Step 3: Cross multiply
    68,652.72x = 94,732.44 × 38,435.67
  4. Step 4: Simplify right side
    68,652.72x = 3,641,104,802.13
  5. Step 5: Solve for x
    x = 3,641,104,802.13/68,652.72
  6. Step 6: Final answer
    x = 53,036.57

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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.