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Finding the Fourth Proportional to 60,398.66, 83,346 and 33,539.78

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Solution

The fourth proportional to 60,398.66, 83,346 and 33,539.78 is: 46,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,398.66 : 83,346 = 33,539.78 : x
  2. Step 2: Convert to fraction form
    60,398.66/83,346 = 33,539.78/x
  3. Step 3: Cross multiply
    60,398.66x = 83,346 × 33,539.78
  4. Step 4: Simplify right side
    60,398.66x = 2,795,406,503.88
  5. Step 5: Solve for x
    x = 2,795,406,503.88/60,398.66
  6. Step 6: Final answer
    x = 46,282.59

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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.