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Finding the Fourth Proportional to 62,661.03, 86,464.23 and 35,805.28

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Solution

The fourth proportional to 62,661.03, 86,464.23 and 35,805.28 is: 49,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,661.03 : 86,464.23 = 35,805.28 : x
  2. Step 2: Convert to fraction form
    62,661.03/86,464.23 = 35,805.28/x
  3. Step 3: Cross multiply
    62,661.03x = 86,464.23 × 35,805.28
  4. Step 4: Simplify right side
    62,661.03x = 3,095,875,965.13
  5. Step 5: Solve for x
    x = 3,095,875,965.13/62,661.03
  6. Step 6: Final answer
    x = 49,406.72

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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.