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Finding the Fourth Proportional to 62,809.02, 86,673.24 and 34,509.24

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Solution

The fourth proportional to 62,809.02, 86,673.24 and 34,509.24 is: 47,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,809.02 : 86,673.24 = 34,509.24 : x
  2. Step 2: Convert to fraction form
    62,809.02/86,673.24 = 34,509.24/x
  3. Step 3: Cross multiply
    62,809.02x = 86,673.24 × 34,509.24
  4. Step 4: Simplify right side
    62,809.02x = 2,991,027,640.74
  5. Step 5: Solve for x
    x = 2,991,027,640.74/62,809.02
  6. Step 6: Final answer
    x = 47,620.99

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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.