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Finding the Fourth Proportional to 43,461.51, 65,081.98 and 36,423.01

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Solution

The fourth proportional to 43,461.51, 65,081.98 and 36,423.01 is: 54,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.51 : 65,081.98 = 36,423.01 : x
  2. Step 2: Convert to fraction form
    43,461.51/65,081.98 = 36,423.01/x
  3. Step 3: Cross multiply
    43,461.51x = 65,081.98 × 36,423.01
  4. Step 4: Simplify right side
    43,461.51x = 2,370,481,608.36
  5. Step 5: Solve for x
    x = 2,370,481,608.36/43,461.51
  6. Step 6: Final answer
    x = 54,542.09

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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.