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Finding the Fourth Proportional to 58,469.35, 87,713.19 and 19,017.22

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Solution

The fourth proportional to 58,469.35, 87,713.19 and 19,017.22 is: 28,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,469.35 : 87,713.19 = 19,017.22 : x
  2. Step 2: Convert to fraction form
    58,469.35/87,713.19 = 19,017.22/x
  3. Step 3: Cross multiply
    58,469.35x = 87,713.19 × 19,017.22
  4. Step 4: Simplify right side
    58,469.35x = 1,668,061,031.13
  5. Step 5: Solve for x
    x = 1,668,061,031.13/58,469.35
  6. Step 6: Final answer
    x = 28,528.81

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