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Finding the Fourth Proportional to 89,672.82, 134,507.79 and 30,549.66

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Solution

The fourth proportional to 89,672.82, 134,507.79 and 30,549.66 is: 45,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,672.82 : 134,507.79 = 30,549.66 : x
  2. Step 2: Convert to fraction form
    89,672.82/134,507.79 = 30,549.66/x
  3. Step 3: Cross multiply
    89,672.82x = 134,507.79 × 30,549.66
  4. Step 4: Simplify right side
    89,672.82x = 4,109,167,251.85
  5. Step 5: Solve for x
    x = 4,109,167,251.85/89,672.82
  6. Step 6: Final answer
    x = 45,824.00

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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.