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Finding the Fourth Proportional to 41,015.81, 61,523.73 and 13,313.81

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Solution

The fourth proportional to 41,015.81, 61,523.73 and 13,313.81 is: 19,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,015.81 : 61,523.73 = 13,313.81 : x
  2. Step 2: Convert to fraction form
    41,015.81/61,523.73 = 13,313.81/x
  3. Step 3: Cross multiply
    41,015.81x = 61,523.73 × 13,313.81
  4. Step 4: Simplify right side
    41,015.81x = 819,115,405.52
  5. Step 5: Solve for x
    x = 819,115,405.52/41,015.81
  6. Step 6: Final answer
    x = 19,970.72

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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.