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Finding the Fourth Proportional to 64,209.65, 88,601.70 and 35,525.51

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Solution

The fourth proportional to 64,209.65, 88,601.70 and 35,525.51 is: 49,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,209.65 : 88,601.70 = 35,525.51 : x
  2. Step 2: Convert to fraction form
    64,209.65/88,601.70 = 35,525.51/x
  3. Step 3: Cross multiply
    64,209.65x = 88,601.70 × 35,525.51
  4. Step 4: Simplify right side
    64,209.65x = 3,147,620,601.84
  5. Step 5: Solve for x
    x = 3,147,620,601.84/64,209.65
  6. Step 6: Final answer
    x = 49,020.99

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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.