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Finding the Fourth Proportional to 89,703.77, 134,579.94 and 33,549.58

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Solution

The fourth proportional to 89,703.77, 134,579.94 and 33,549.58 is: 50,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,703.77 : 134,579.94 = 33,549.58 : x
  2. Step 2: Convert to fraction form
    89,703.77/134,579.94 = 33,549.58/x
  3. Step 3: Cross multiply
    89,703.77x = 134,579.94 × 33,549.58
  4. Step 4: Simplify right side
    89,703.77x = 4,515,100,463.43
  5. Step 5: Solve for x
    x = 4,515,100,463.43/89,703.77
  6. Step 6: Final answer
    x = 50,333.45

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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.