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Finding the Fourth Proportional to 62,624.92, 86,427.84 and 34,336

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Solution

The fourth proportional to 62,624.92, 86,427.84 and 34,336 is: 47,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,624.92 : 86,427.84 = 34,336 : x
  2. Step 2: Convert to fraction form
    62,624.92/86,427.84 = 34,336/x
  3. Step 3: Cross multiply
    62,624.92x = 86,427.84 × 34,336
  4. Step 4: Simplify right side
    62,624.92x = 2,967,586,314.24
  5. Step 5: Solve for x
    x = 2,967,586,314.24/62,624.92
  6. Step 6: Final answer
    x = 47,386.67

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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.