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Finding the Fourth Proportional to 58,294.72, 87,442.08 and 16,741.72

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Solution

The fourth proportional to 58,294.72, 87,442.08 and 16,741.72 is: 25,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,294.72 : 87,442.08 = 16,741.72 : x
  2. Step 2: Convert to fraction form
    58,294.72/87,442.08 = 16,741.72/x
  3. Step 3: Cross multiply
    58,294.72x = 87,442.08 × 16,741.72
  4. Step 4: Simplify right side
    58,294.72x = 1,463,930,819.58
  5. Step 5: Solve for x
    x = 1,463,930,819.58/58,294.72
  6. Step 6: Final answer
    x = 25,112.58

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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.