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Finding the Fourth Proportional to 71,882.79, 99,169.97 and 48,025.05

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Solution

The fourth proportional to 71,882.79, 99,169.97 and 48,025.05 is: 66,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,882.79 : 99,169.97 = 48,025.05 : x
  2. Step 2: Convert to fraction form
    71,882.79/99,169.97 = 48,025.05/x
  3. Step 3: Cross multiply
    71,882.79x = 99,169.97 × 48,025.05
  4. Step 4: Simplify right side
    71,882.79x = 4,762,642,527.62
  5. Step 5: Solve for x
    x = 4,762,642,527.62/71,882.79
  6. Step 6: Final answer
    x = 66,255.67

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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.