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Finding the Fourth Proportional to 58,874.72, 88,293.36 and 19,424.48

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Solution

The fourth proportional to 58,874.72, 88,293.36 and 19,424.48 is: 29,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.72 : 88,293.36 = 19,424.48 : x
  2. Step 2: Convert to fraction form
    58,874.72/88,293.36 = 19,424.48/x
  3. Step 3: Cross multiply
    58,874.72x = 88,293.36 × 19,424.48
  4. Step 4: Simplify right side
    58,874.72x = 1,715,052,605.45
  5. Step 5: Solve for x
    x = 1,715,052,605.45/58,874.72
  6. Step 6: Final answer
    x = 29,130.54

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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.