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Finding the Fourth Proportional to 63,001.89, 86,942.43 and 34,707.61

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Solution

The fourth proportional to 63,001.89, 86,942.43 and 34,707.61 is: 47,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,001.89 : 86,942.43 = 34,707.61 : x
  2. Step 2: Convert to fraction form
    63,001.89/86,942.43 = 34,707.61/x
  3. Step 3: Cross multiply
    63,001.89x = 86,942.43 × 34,707.61
  4. Step 4: Simplify right side
    63,001.89x = 3,017,563,779.35
  5. Step 5: Solve for x
    x = 3,017,563,779.35/63,001.89
  6. Step 6: Final answer
    x = 47,896.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.