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Finding the Fourth Proportional to 71,668.42, 107,505.09 and 32,225.68

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Solution

The fourth proportional to 71,668.42, 107,505.09 and 32,225.68 is: 48,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668.42 : 107,505.09 = 32,225.68 : x
  2. Step 2: Convert to fraction form
    71,668.42/107,505.09 = 32,225.68/x
  3. Step 3: Cross multiply
    71,668.42x = 107,505.09 × 32,225.68
  4. Step 4: Simplify right side
    71,668.42x = 3,464,424,628.71
  5. Step 5: Solve for x
    x = 3,464,424,628.71/71,668.42
  6. Step 6: Final answer
    x = 48,339.63

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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.