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Finding the Fourth Proportional to 41,805.70, 62,810.95 and 31,437.70

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Solution

The fourth proportional to 41,805.70, 62,810.95 and 31,437.70 is: 47,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,805.70 : 62,810.95 = 31,437.70 : x
  2. Step 2: Convert to fraction form
    41,805.70/62,810.95 = 31,437.70/x
  3. Step 3: Cross multiply
    41,805.70x = 62,810.95 × 31,437.70
  4. Step 4: Simplify right side
    41,805.70x = 1,974,631,802.82
  5. Step 5: Solve for x
    x = 1,974,631,802.82/41,805.70
  6. Step 6: Final answer
    x = 47,233.55

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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.