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Finding the Fourth Proportional to 62,699.81, 86,525.69 and 35,842.91

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Solution

The fourth proportional to 62,699.81, 86,525.69 and 35,842.91 is: 49,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,699.81 : 86,525.69 = 35,842.91 : x
  2. Step 2: Convert to fraction form
    62,699.81/86,525.69 = 35,842.91/x
  3. Step 3: Cross multiply
    62,699.81x = 86,525.69 × 35,842.91
  4. Step 4: Simplify right side
    62,699.81x = 3,101,331,907.51
  5. Step 5: Solve for x
    x = 3,101,331,907.51/62,699.81
  6. Step 6: Final answer
    x = 49,463.18

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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.