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Finding the Fourth Proportional to 63,035.34, 86,971.48 and 43,893.60

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Solution

The fourth proportional to 63,035.34, 86,971.48 and 43,893.60 is: 60,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,035.34 : 86,971.48 = 43,893.60 : x
  2. Step 2: Convert to fraction form
    63,035.34/86,971.48 = 43,893.60/x
  3. Step 3: Cross multiply
    63,035.34x = 86,971.48 × 43,893.60
  4. Step 4: Simplify right side
    63,035.34x = 3,817,491,354.53
  5. Step 5: Solve for x
    x = 3,817,491,354.53/63,035.34
  6. Step 6: Final answer
    x = 60,561.13

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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.