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Finding the Fourth Proportional to 66,523.91, 91,803.02 and 36,308.67

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Solution

The fourth proportional to 66,523.91, 91,803.02 and 36,308.67 is: 50,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,523.91 : 91,803.02 = 36,308.67 : x
  2. Step 2: Convert to fraction form
    66,523.91/91,803.02 = 36,308.67/x
  3. Step 3: Cross multiply
    66,523.91x = 91,803.02 × 36,308.67
  4. Step 4: Simplify right side
    66,523.91x = 3,333,245,376.64
  5. Step 5: Solve for x
    x = 3,333,245,376.64/66,523.91
  6. Step 6: Final answer
    x = 50,105.98

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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.