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Finding the Fourth Proportional to 58,503.87, 87,739.07 and 19,064.43

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Solution

The fourth proportional to 58,503.87, 87,739.07 and 19,064.43 is: 28,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,503.87 : 87,739.07 = 19,064.43 : x
  2. Step 2: Convert to fraction form
    58,503.87/87,739.07 = 19,064.43/x
  3. Step 3: Cross multiply
    58,503.87x = 87,739.07 × 19,064.43
  4. Step 4: Simplify right side
    58,503.87x = 1,672,695,262.96
  5. Step 5: Solve for x
    x = 1,672,695,262.96/58,503.87
  6. Step 6: Final answer
    x = 28,591.19

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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.