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Finding the Fourth Proportional to 43,597.50, 65,405.97 and 15,895.50

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Solution

The fourth proportional to 43,597.50, 65,405.97 and 15,895.50 is: 23,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,597.50 : 65,405.97 = 15,895.50 : x
  2. Step 2: Convert to fraction form
    43,597.50/65,405.97 = 15,895.50/x
  3. Step 3: Cross multiply
    43,597.50x = 65,405.97 × 15,895.50
  4. Step 4: Simplify right side
    43,597.50x = 1,039,660,596.14
  5. Step 5: Solve for x
    x = 1,039,660,596.14/43,597.50
  6. Step 6: Final answer
    x = 23,846.79

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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.