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Finding the Fourth Proportional to 42,375.49, 58,539.17 and 33,866.70

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Solution

The fourth proportional to 42,375.49, 58,539.17 and 33,866.70 is: 46,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.49 : 58,539.17 = 33,866.70 : x
  2. Step 2: Convert to fraction form
    42,375.49/58,539.17 = 33,866.70/x
  3. Step 3: Cross multiply
    42,375.49x = 58,539.17 × 33,866.70
  4. Step 4: Simplify right side
    42,375.49x = 1,982,528,508.64
  5. Step 5: Solve for x
    x = 1,982,528,508.64/42,375.49
  6. Step 6: Final answer
    x = 46,784.79

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1.5x scale

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.