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Finding the Fourth Proportional to 58,908.72, 88,344.36 and 19,458.48

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Solution

The fourth proportional to 58,908.72, 88,344.36 and 19,458.48 is: 29,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,908.72 : 88,344.36 = 19,458.48 : x
  2. Step 2: Convert to fraction form
    58,908.72/88,344.36 = 19,458.48/x
  3. Step 3: Cross multiply
    58,908.72x = 88,344.36 × 19,458.48
  4. Step 4: Simplify right side
    58,908.72x = 1,719,046,962.17
  5. Step 5: Solve for x
    x = 1,719,046,962.17/58,908.72
  6. Step 6: Final answer
    x = 29,181.54

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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.