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Finding the Fourth Proportional to 62,478.74, 86,218.51 and 35,629.89

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Solution

The fourth proportional to 62,478.74, 86,218.51 and 35,629.89 is: 49,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.74 : 86,218.51 = 35,629.89 : x
  2. Step 2: Convert to fraction form
    62,478.74/86,218.51 = 35,629.89/x
  3. Step 3: Cross multiply
    62,478.74x = 86,218.51 × 35,629.89
  4. Step 4: Simplify right side
    62,478.74x = 3,071,956,027.26
  5. Step 5: Solve for x
    x = 3,071,956,027.26/62,478.74
  6. Step 6: Final answer
    x = 49,168.02

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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.