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Finding the Fourth Proportional to 43,892.35, 65,845.41 and 14,303.35

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Solution

The fourth proportional to 43,892.35, 65,845.41 and 14,303.35 is: 21,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,892.35 : 65,845.41 = 14,303.35 : x
  2. Step 2: Convert to fraction form
    43,892.35/65,845.41 = 14,303.35/x
  3. Step 3: Cross multiply
    43,892.35x = 65,845.41 × 14,303.35
  4. Step 4: Simplify right side
    43,892.35x = 941,809,973.79
  5. Step 5: Solve for x
    x = 941,809,973.79/43,892.35
  6. Step 6: Final answer
    x = 21,457.27

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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.