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Finding the Fourth Proportional to 58,640.09, 87,982.28 and 35,282.93

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Solution

The fourth proportional to 58,640.09, 87,982.28 and 35,282.93 is: 52,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,640.09 : 87,982.28 = 35,282.93 : x
  2. Step 2: Convert to fraction form
    58,640.09/87,982.28 = 35,282.93/x
  3. Step 3: Cross multiply
    58,640.09x = 87,982.28 × 35,282.93
  4. Step 4: Simplify right side
    58,640.09x = 3,104,272,450.07
  5. Step 5: Solve for x
    x = 3,104,272,450.07/58,640.09
  6. Step 6: Final answer
    x = 52,937.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.