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Finding the Fourth Proportional to 62,478.82, 93,619.81 and 34,357.11

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Solution

The fourth proportional to 62,478.82, 93,619.81 and 34,357.11 is: 51,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.82 : 93,619.81 = 34,357.11 : x
  2. Step 2: Convert to fraction form
    62,478.82/93,619.81 = 34,357.11/x
  3. Step 3: Cross multiply
    62,478.82x = 93,619.81 × 34,357.11
  4. Step 4: Simplify right side
    62,478.82x = 3,216,506,110.35
  5. Step 5: Solve for x
    x = 3,216,506,110.35/62,478.82
  6. Step 6: Final answer
    x = 51,481.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.