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Finding the Fourth Proportional to 60,398.40, 83,353.65 and 33,540.90

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Solution

The fourth proportional to 60,398.40, 83,353.65 and 33,540.90 is: 46,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,398.40 : 83,353.65 = 33,540.90 : x
  2. Step 2: Convert to fraction form
    60,398.40/83,353.65 = 33,540.90/x
  3. Step 3: Cross multiply
    60,398.40x = 83,353.65 × 33,540.90
  4. Step 4: Simplify right side
    60,398.40x = 2,795,756,271.58
  5. Step 5: Solve for x
    x = 2,795,756,271.58/60,398.40
  6. Step 6: Final answer
    x = 46,288.58

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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.