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Finding the Fourth Proportional to 41,309.40, 62,012.70 and 41,017.80

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Solution

The fourth proportional to 41,309.40, 62,012.70 and 41,017.80 is: 61,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,309.40 : 62,012.70 = 41,017.80 : x
  2. Step 2: Convert to fraction form
    41,309.40/62,012.70 = 41,017.80/x
  3. Step 3: Cross multiply
    41,309.40x = 62,012.70 × 41,017.80
  4. Step 4: Simplify right side
    41,309.40x = 2,543,624,526.06
  5. Step 5: Solve for x
    x = 2,543,624,526.06/41,309.40
  6. Step 6: Final answer
    x = 61,574.96

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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.