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Finding the Fourth Proportional to 43,574.85, 65,383.88 and 17,279.01

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Solution

The fourth proportional to 43,574.85, 65,383.88 and 17,279.01 is: 25,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.85 : 65,383.88 = 17,279.01 : x
  2. Step 2: Convert to fraction form
    43,574.85/65,383.88 = 17,279.01/x
  3. Step 3: Cross multiply
    43,574.85x = 65,383.88 × 17,279.01
  4. Step 4: Simplify right side
    43,574.85x = 1,129,768,629.96
  5. Step 5: Solve for x
    x = 1,129,768,629.96/43,574.85
  6. Step 6: Final answer
    x = 25,927.08

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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.