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Finding the Fourth Proportional to 43,601.70, 65,407.42 and 17,309.10

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Solution

The fourth proportional to 43,601.70, 65,407.42 and 17,309.10 is: 25,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,601.70 : 65,407.42 = 17,309.10 : x
  2. Step 2: Convert to fraction form
    43,601.70/65,407.42 = 17,309.10/x
  3. Step 3: Cross multiply
    43,601.70x = 65,407.42 × 17,309.10
  4. Step 4: Simplify right side
    43,601.70x = 1,132,143,573.52
  5. Step 5: Solve for x
    x = 1,132,143,573.52/43,601.70
  6. Step 6: Final answer
    x = 25,965.58

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1.5x scale

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.