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Finding the Fourth Proportional to 60,135.50, 82,985.74 and 33,276.39

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Solution

The fourth proportional to 60,135.50, 82,985.74 and 33,276.39 is: 45,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,135.50 : 82,985.74 = 33,276.39 : x
  2. Step 2: Convert to fraction form
    60,135.50/82,985.74 = 33,276.39/x
  3. Step 3: Cross multiply
    60,135.50x = 82,985.74 × 33,276.39
  4. Step 4: Simplify right side
    60,135.50x = 2,761,465,765.49
  5. Step 5: Solve for x
    x = 2,761,465,765.49/60,135.50
  6. Step 6: Final answer
    x = 45,920.73

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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.