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Finding the Fourth Proportional to 58,891.90, 81,272.96 and 33,746.26

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Solution

The fourth proportional to 58,891.90, 81,272.96 and 33,746.26 is: 46,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.90 : 81,272.96 = 33,746.26 : x
  2. Step 2: Convert to fraction form
    58,891.90/81,272.96 = 33,746.26/x
  3. Step 3: Cross multiply
    58,891.90x = 81,272.96 × 33,746.26
  4. Step 4: Simplify right side
    58,891.90x = 2,742,658,439.13
  5. Step 5: Solve for x
    x = 2,742,658,439.13/58,891.90
  6. Step 6: Final answer
    x = 46,571.06

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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.