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Finding the Fourth Proportional to 58,292, 87,452.80 and 16,739.04

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Solution

The fourth proportional to 58,292, 87,452.80 and 16,739.04 is: 25,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,292 : 87,452.80 = 16,739.04 : x
  2. Step 2: Convert to fraction form
    58,292/87,452.80 = 16,739.04/x
  3. Step 3: Cross multiply
    58,292x = 87,452.80 × 16,739.04
  4. Step 4: Simplify right side
    58,292x = 1,463,875,917.31
  5. Step 5: Solve for x
    x = 1,463,875,917.31/58,292
  6. Step 6: Final answer
    x = 25,112.81

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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.