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Finding the Fourth Proportional to 63,980.91, 95,971.36 and 34,358

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Solution

The fourth proportional to 63,980.91, 95,971.36 and 34,358 is: 51,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,980.91 : 95,971.36 = 34,358 : x
  2. Step 2: Convert to fraction form
    63,980.91/95,971.36 = 34,358/x
  3. Step 3: Cross multiply
    63,980.91x = 95,971.36 × 34,358
  4. Step 4: Simplify right side
    63,980.91x = 3,297,383,986.88
  5. Step 5: Solve for x
    x = 3,297,383,986.88/63,980.91
  6. Step 6: Final answer
    x = 51,537.00

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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.