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Finding the Fourth Proportional to 43,607.79, 65,313.81 and 37,912.23

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Solution

The fourth proportional to 43,607.79, 65,313.81 and 37,912.23 is: 56,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,607.79 : 65,313.81 = 37,912.23 : x
  2. Step 2: Convert to fraction form
    43,607.79/65,313.81 = 37,912.23/x
  3. Step 3: Cross multiply
    43,607.79x = 65,313.81 × 37,912.23
  4. Step 4: Simplify right side
    43,607.79x = 2,476,192,186.90
  5. Step 5: Solve for x
    x = 2,476,192,186.90/43,607.79
  6. Step 6: Final answer
    x = 56,783.25

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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.