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Finding the Fourth Proportional to 59,279.71, 81,802.47 and 33,782.53

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Solution

The fourth proportional to 59,279.71, 81,802.47 and 33,782.53 is: 46,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,279.71 : 81,802.47 = 33,782.53 : x
  2. Step 2: Convert to fraction form
    59,279.71/81,802.47 = 33,782.53/x
  3. Step 3: Cross multiply
    59,279.71x = 81,802.47 × 33,782.53
  4. Step 4: Simplify right side
    59,279.71x = 2,763,494,396.85
  5. Step 5: Solve for x
    x = 2,763,494,396.85/59,279.71
  6. Step 6: Final answer
    x = 46,617.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.