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Finding the Fourth Proportional to 58,389.72, 87,508.44 and 26,788.38

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Solution

The fourth proportional to 58,389.72, 87,508.44 and 26,788.38 is: 40,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,389.72 : 87,508.44 = 26,788.38 : x
  2. Step 2: Convert to fraction form
    58,389.72/87,508.44 = 26,788.38/x
  3. Step 3: Cross multiply
    58,389.72x = 87,508.44 × 26,788.38
  4. Step 4: Simplify right side
    58,389.72x = 2,344,209,343.93
  5. Step 5: Solve for x
    x = 2,344,209,343.93/58,389.72
  6. Step 6: Final answer
    x = 40,147.64

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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.