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Finding the Fourth Proportional to 60,386.31, 83,333.61 and 33,531.30

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Solution

The fourth proportional to 60,386.31, 83,333.61 and 33,531.30 is: 46,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,386.31 : 83,333.61 = 33,531.30 : x
  2. Step 2: Convert to fraction form
    60,386.31/83,333.61 = 33,531.30/x
  3. Step 3: Cross multiply
    60,386.31x = 83,333.61 × 33,531.30
  4. Step 4: Simplify right side
    60,386.31x = 2,794,284,276.99
  5. Step 5: Solve for x
    x = 2,794,284,276.99/60,386.31
  6. Step 6: Final answer
    x = 46,273.47

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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.