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Finding the Fourth Proportional to 43,762.92, 65,643.90 and 29,688.09

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Solution

The fourth proportional to 43,762.92, 65,643.90 and 29,688.09 is: 44,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,762.92 : 65,643.90 = 29,688.09 : x
  2. Step 2: Convert to fraction form
    43,762.92/65,643.90 = 29,688.09/x
  3. Step 3: Cross multiply
    43,762.92x = 65,643.90 × 29,688.09
  4. Step 4: Simplify right side
    43,762.92x = 1,948,842,011.15
  5. Step 5: Solve for x
    x = 1,948,842,011.15/43,762.92
  6. Step 6: Final answer
    x = 44,531.81

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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.