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Finding the Fourth Proportional to 58,506.57, 87,768.96 and 19,054.51

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Solution

The fourth proportional to 58,506.57, 87,768.96 and 19,054.51 is: 28,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,506.57 : 87,768.96 = 19,054.51 : x
  2. Step 2: Convert to fraction form
    58,506.57/87,768.96 = 19,054.51/x
  3. Step 3: Cross multiply
    58,506.57x = 87,768.96 × 19,054.51
  4. Step 4: Simplify right side
    58,506.57x = 1,672,394,134.80
  5. Step 5: Solve for x
    x = 1,672,394,134.80/58,506.57
  6. Step 6: Final answer
    x = 28,584.72

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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.