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Finding the Fourth Proportional to 60,984.31, 84,157.01 and 33,388.91

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Solution

The fourth proportional to 60,984.31, 84,157.01 and 33,388.91 is: 46,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,984.31 : 84,157.01 = 33,388.91 : x
  2. Step 2: Convert to fraction form
    60,984.31/84,157.01 = 33,388.91/x
  3. Step 3: Cross multiply
    60,984.31x = 84,157.01 × 33,388.91
  4. Step 4: Simplify right side
    60,984.31x = 2,809,911,253.12
  5. Step 5: Solve for x
    x = 2,809,911,253.12/60,984.31
  6. Step 6: Final answer
    x = 46,075.97

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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.