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Finding the Fourth Proportional to 43,908.46, 65,865.03 and 13,925.06

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Solution

The fourth proportional to 43,908.46, 65,865.03 and 13,925.06 is: 20,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.46 : 65,865.03 = 13,925.06 : x
  2. Step 2: Convert to fraction form
    43,908.46/65,865.03 = 13,925.06/x
  3. Step 3: Cross multiply
    43,908.46x = 65,865.03 × 13,925.06
  4. Step 4: Simplify right side
    43,908.46x = 917,174,589.69
  5. Step 5: Solve for x
    x = 917,174,589.69/43,908.46
  6. Step 6: Final answer
    x = 20,888.33

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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.