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Finding the Fourth Proportional to 61,986.26, 93,008.45 and 43,039.96

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Solution

The fourth proportional to 61,986.26, 93,008.45 and 43,039.96 is: 64,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,986.26 : 93,008.45 = 43,039.96 : x
  2. Step 2: Convert to fraction form
    61,986.26/93,008.45 = 43,039.96/x
  3. Step 3: Cross multiply
    61,986.26x = 93,008.45 × 43,039.96
  4. Step 4: Simplify right side
    61,986.26x = 4,003,079,842.74
  5. Step 5: Solve for x
    x = 4,003,079,842.74/61,986.26
  6. Step 6: Final answer
    x = 64,580.11

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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.