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Finding the Fourth Proportional to 59,668.72, 82,342.90 and 32,811.68

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Solution

The fourth proportional to 59,668.72, 82,342.90 and 32,811.68 is: 45,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,668.72 : 82,342.90 = 32,811.68 : x
  2. Step 2: Convert to fraction form
    59,668.72/82,342.90 = 32,811.68/x
  3. Step 3: Cross multiply
    59,668.72x = 82,342.90 × 32,811.68
  4. Step 4: Simplify right side
    59,668.72x = 2,701,808,885.07
  5. Step 5: Solve for x
    x = 2,701,808,885.07/59,668.72
  6. Step 6: Final answer
    x = 45,280.15

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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.