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Finding the Fourth Proportional to 64,899.94, 89,561 and 36,614.74

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Solution

The fourth proportional to 64,899.94, 89,561 and 36,614.74 is: 50,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,899.94 : 89,561 = 36,614.74 : x
  2. Step 2: Convert to fraction form
    64,899.94/89,561 = 36,614.74/x
  3. Step 3: Cross multiply
    64,899.94x = 89,561 × 36,614.74
  4. Step 4: Simplify right side
    64,899.94x = 3,279,252,729.14
  5. Step 5: Solve for x
    x = 3,279,252,729.14/64,899.94
  6. Step 6: Final answer
    x = 50,527.82

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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.