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Finding the Fourth Proportional to 51,574.40, 77,362.56 and 41,310.08

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Solution

The fourth proportional to 51,574.40, 77,362.56 and 41,310.08 is: 61,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,574.40 : 77,362.56 = 41,310.08 : x
  2. Step 2: Convert to fraction form
    51,574.40/77,362.56 = 41,310.08/x
  3. Step 3: Cross multiply
    51,574.40x = 77,362.56 × 41,310.08
  4. Step 4: Simplify right side
    51,574.40x = 3,195,853,542.60
  5. Step 5: Solve for x
    x = 3,195,853,542.60/51,574.40
  6. Step 6: Final answer
    x = 61,965.89

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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.