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Finding the Fourth Proportional to 62,563.47, 86,320.40 and 35,696.31

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Solution

The fourth proportional to 62,563.47, 86,320.40 and 35,696.31 is: 49,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,563.47 : 86,320.40 = 35,696.31 : x
  2. Step 2: Convert to fraction form
    62,563.47/86,320.40 = 35,696.31/x
  3. Step 3: Cross multiply
    62,563.47x = 86,320.40 × 35,696.31
  4. Step 4: Simplify right side
    62,563.47x = 3,081,319,579.24
  5. Step 5: Solve for x
    x = 3,081,319,579.24/62,563.47
  6. Step 6: Final answer
    x = 49,251.10

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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.