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Finding the Fourth Proportional to 60,012.77, 89,998.29 and 33,399.39

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Solution

The fourth proportional to 60,012.77, 89,998.29 and 33,399.39 is: 50,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.77 : 89,998.29 = 33,399.39 : x
  2. Step 2: Convert to fraction form
    60,012.77/89,998.29 = 33,399.39/x
  3. Step 3: Cross multiply
    60,012.77x = 89,998.29 × 33,399.39
  4. Step 4: Simplify right side
    60,012.77x = 3,005,887,818.30
  5. Step 5: Solve for x
    x = 3,005,887,818.30/60,012.77
  6. Step 6: Final answer
    x = 50,087.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.